Molar Concentration Quiz and Flashcards

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What is the molar concentration of a solution containing 1 mole of a substance dissolved in 2 liters of solution?

2 M

1 M

3 M

0.5 M (correct)

If 2 moles of a substance are dissolved in 500 mL of solution, what is the molar concentration?

0.25 M

3 M (correct)

4 M

1 M

What is the molar concentration of a solution prepared by dissolving 15 grams of NaCl into 250 mL of water?

5 M

0.15 M

0.06 M (correct)

2 M

If a solution contains 40 g of potassium chloride (KCl) in 750 mL, what is the molar concentration?

0.2 M Signup and view all the answers

For a solution with 2 moles of a substance dissolved in 1 liter of water, what is the molar concentration?

1.5 M Signup and view all the answers

If 30 grams of magnesium sulfate (MgSO₄) are dissolved in 500 mL of water, what is the molar concentration?

0.3 M Signup and view all the answers

What would be the molar concentration if 3 moles of a substance are dissolved in 750 mL of solution?

5 M Signup and view all the answers

Calculate the molar concentration for a solution with 20 grams of sulfuric acid (H₂SO₄) in 2 liters of water.

5 M Signup and view all the answers

What is the molar concentration of a solution?

The number of moles of solute divided by the volume of the solution in liters Signup and view all the answers

What is the formula for calculating the number of moles of a solute?

n = mass of solute / molar mass of solute Signup and view all the answers

If you have 75 grams of NaCl (molar mass = 58.5 g/mol) dissolved in 2 liters of water, what is the molar concentration?

1.28 M Signup and view all the answers

If the volume of a solution is given in milliliters (mL), how can it be converted to liters (L)?

Divide by 1000 Signup and view all the answers

What are the units for molar concentration?

moles per liter (mol/L) or M Signup and view all the answers

If you have a 500 mL solution containing 0.2 moles of solute, what is the molar concentration?

0.4 M Signup and view all the answers

Which of the following is NOT required to calculate the molar concentration of a solution?

Density of the solution Signup and view all the answers

Which formula is used to calculate the molar concentration (c) of a solution?

$c = rac{n}{V}$ Signup and view all the answers

If 1 mole of NaCl is dissolved in 1 liter of solution, what is the molar concentration?

1 M Signup and view all the answers

What is the molar concentration of a solution prepared by dissolving 10 grams of sodium hydroxide (NaOH) in 500 mL of water?

0.5 M Signup and view all the answers

If a solution contains 25 grams of glucose (C₆H₁₂O₆) in 1.5 liters of solution, what is the molar concentration?

0.093 M Signup and view all the answers

What is the molar concentration of a solution that contains 1 mole of a substance in 2 liters of solution?

1 M Signup and view all the answers

What is the formula for calculating the number of moles (n) of a solute?

$n = rac{m}{M}$ Signup and view all the answers

If a solution contains 40 grams of potassium chloride (KCl) in 750 mL, what is the molar concentration?

1.5 M Signup and view all the answers

If 30 grams of magnesium sulfate (MgSO₄) are dissolved in 500 mL of water, what is the molar concentration?

0.5 M Signup and view all the answers

If 75 grams of NaCl (molar mass = 58.5 g/mol) are dissolved in 2 liters of water, what is the molar concentration?

1 M Signup and view all the answers

What is the formula for calculating molar concentration?

c = n/V Signup and view all the answers

If a solution contains 2.5 moles of solute and has a volume of 1.5 liters, what is the molar concentration?

1.67 M Signup and view all the answers

In the formula c = V/n, what does 'n' represent?

Number of moles of solute Signup and view all the answers

If a solution contains 0.6 moles of a substance and has a volume of 400 mL, what is the molar concentration in mol/L?

2.4 M Signup and view all the answers

What is the unit for molar concentration expressed in moles per liter?

mol/L Signup and view all the answers

If you dissolve 10 grams of sucrose in water to make 500 mL of solution, what is the molar concentration?

0.2 M Signup and view all the answers

What is the formula for calculating molar concentration (c) of a solution?

c = n/V Signup and view all the answers

What is the molar concentration of a solution prepared by dissolving 25 grams of potassium permanganate (KMnO₄) in 500 mL of water?

2.5 mol/L Signup and view all the answers

If a solution contains 0.75 moles of a substance and has a volume of 250 mL, what is the molar concentration?

0.3 mol/L Signup and view all the answers

How can the number of moles of a solute be calculated when given its mass and molar mass?

$n = \frac{mass}{molar \ mass}$ Signup and view all the answers

For a 300 mL solution with 1.5 moles of a substance dissolved, what is the molar concentration?

0.5 mol/L Signup and view all the answers

What is the molar concentration of a solution made by dissolving 10 grams of calcium carbonate (CaCO₃) in 750 mL of water?

$0.133 mol/L$ Signup and view all the answers

If a solution contains 0.4 moles of a substance and has a volume of 300 mL, what is the molar concentration?

$1.33 mol/L$ Signup and view all the answers

'What is the correct formula to calculate the number of moles (n) of a solute?'

$n = \frac{mass}{molar \ mass}$ Signup and view all the answers

If 0.75 moles of a substance are dissolved in 300 mL of solution, what is the molar concentration?

$2.5 \text{ M}$ Signup and view all the answers

If 18 grams of glucose ($\ce{C6H12O6}$, molar mass = 180 g/mol) are dissolved in 2 liters of solution, what is the molar concentration?

$0.05 \text{ M}$ Signup and view all the answers

If a solution has a molar concentration of 0.75 M and a volume of 400 mL, how many moles of solute are present?

$0.3 \text{ mol}$ Signup and view all the answers

A 0.25 M solution of $\ce{NaOH}$ has a volume of 2 liters. How many grams of $\ce{NaOH}$ are present? (Molar mass of $\ce{NaOH}$ = 40 g/mol)

$20 \text{ g}$ Signup and view all the answers

A solution contains 0.4 moles of $\ce{KCl}$ in 500 mL of water. What is the molar concentration?

$0.8 \text{ M}$ Signup and view all the answers

If 50 grams of $\ce{NaOH}$ (molar mass = 40 g/mol) are dissolved in 2 liters of water, what is the molar concentration?

$1.25 \text{ M}$ Signup and view all the answers

What is the molar concentration of a solution containing 0.15 moles of $\ce{HCl}$ in 300 mL of solution?

$0.5 \text{ M}$ Signup and view all the answers

How many grams of $\ce{NaCl}$ (molar mass = 58.5 g/mol) are needed to make 500 mL of a 0.1 M solution?

$2.925 \text{ g}$ Signup and view all the answers

A 0.5 M solution of $\ce{H2SO4}$ has a volume of 1.5 liters. How many moles of $\ce{H2SO4}$ are present? (Molar mass of $\ce{H2SO4}$ = 98 g/mol)

$0.75 \text{ mol}$ Signup and view all the answers

Concentration of Solutions: Molar Concentration

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Questions and Answers

What is the molar concentration of a solution containing 1 mole of a substance dissolved in 2 liters of solution?

If 2 moles of a substance are dissolved in 500 mL of solution, what is the molar concentration?

What is the molar concentration of a solution prepared by dissolving 15 grams of NaCl into 250 mL of water?

If a solution contains 40 g of potassium chloride (KCl) in 750 mL, what is the molar concentration?

For a solution with 2 moles of a substance dissolved in 1 liter of water, what is the molar concentration?

If 30 grams of magnesium sulfate (MgSO₄) are dissolved in 500 mL of water, what is the molar concentration?

What would be the molar concentration if 3 moles of a substance are dissolved in 750 mL of solution?

Calculate the molar concentration for a solution with 20 grams of sulfuric acid (H₂SO₄) in 2 liters of water.

What is the molar concentration of a solution?

What is the formula for calculating the number of moles of a solute?

If you have 75 grams of NaCl (molar mass = 58.5 g/mol) dissolved in 2 liters of water, what is the molar concentration?

If the volume of a solution is given in milliliters (mL), how can it be converted to liters (L)?

What are the units for molar concentration?

If you have a 500 mL solution containing 0.2 moles of solute, what is the molar concentration?

Which of the following is NOT required to calculate the molar concentration of a solution?

Which formula is used to calculate the molar concentration (c) of a solution?

If 1 mole of NaCl is dissolved in 1 liter of solution, what is the molar concentration?

What is the molar concentration of a solution prepared by dissolving 10 grams of sodium hydroxide (NaOH) in 500 mL of water?

If a solution contains 25 grams of glucose (C₆H₁₂O₆) in 1.5 liters of solution, what is the molar concentration?

What is the molar concentration of a solution that contains 1 mole of a substance in 2 liters of solution?

What is the formula for calculating the number of moles (n) of a solute?

If a solution contains 40 grams of potassium chloride (KCl) in 750 mL, what is the molar concentration?

If 30 grams of magnesium sulfate (MgSO₄) are dissolved in 500 mL of water, what is the molar concentration?

If 75 grams of NaCl (molar mass = 58.5 g/mol) are dissolved in 2 liters of water, what is the molar concentration?

What is the formula for calculating molar concentration?

If a solution contains 2.5 moles of solute and has a volume of 1.5 liters, what is the molar concentration?

In the formula c = V/n, what does 'n' represent?

If a solution contains 0.6 moles of a substance and has a volume of 400 mL, what is the molar concentration in mol/L?

What is the unit for molar concentration expressed in moles per liter?

If you dissolve 10 grams of sucrose in water to make 500 mL of solution, what is the molar concentration?

What is the formula for calculating molar concentration (c) of a solution?

What is the molar concentration of a solution prepared by dissolving 25 grams of potassium permanganate (KMnO₄) in 500 mL of water?

If a solution contains 0.75 moles of a substance and has a volume of 250 mL, what is the molar concentration?

How can the number of moles of a solute be calculated when given its mass and molar mass?

For a 300 mL solution with 1.5 moles of a substance dissolved, what is the molar concentration?

What is the molar concentration of a solution made by dissolving 10 grams of calcium carbonate (CaCO₃) in 750 mL of water?

If a solution contains 0.4 moles of a substance and has a volume of 300 mL, what is the molar concentration?

'What is the correct formula to calculate the number of moles (n) of a solute?'

If 0.75 moles of a substance are dissolved in 300 mL of solution, what is the molar concentration?

If 18 grams of glucose ($\ce{C6H12O6}$, molar mass = 180 g/mol) are dissolved in 2 liters of solution, what is the molar concentration?

If a solution has a molar concentration of 0.75 M and a volume of 400 mL, how many moles of solute are present?

A 0.25 M solution of $\ce{NaOH}$ has a volume of 2 liters. How many grams of $\ce{NaOH}$ are present? (Molar mass of $\ce{NaOH}$ = 40 g/mol)

A solution contains 0.4 moles of $\ce{KCl}$ in 500 mL of water. What is the molar concentration?

If 50 grams of $\ce{NaOH}$ (molar mass = 40 g/mol) are dissolved in 2 liters of water, what is the molar concentration?

What is the molar concentration of a solution containing 0.15 moles of $\ce{HCl}$ in 300 mL of solution?

How many grams of $\ce{NaCl}$ (molar mass = 58.5 g/mol) are needed to make 500 mL of a 0.1 M solution?

A 0.5 M solution of $\ce{H2SO4}$ has a volume of 1.5 liters. How many moles of $\ce{H2SO4}$ are present? (Molar mass of $\ce{H2SO4}$ = 98 g/mol)

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