19 Questions
The molality of a solution prepared from 29.22 grams of NaCl in 2.00 kg of water is 1.0 m
True
The normality of a solution prepared by dissolving 90 grams of barium hydroxide in enough water to make 1200 milliliters of solution is 0.5 N
False
The normality of a solution that contains 50g of H2SO₄ dissolved in 15L is 1.67 N
True
A 500 mL solution of Ca(OH)2 contains exactly 7.400 g of pure Ca(OH)2, and its molarity is 0.2 M
True
The normality of the same solution of Ca(OH)2 is 0.4 N
True
The molar mass of Ca(OH)2 is 78 g/mol
False
The g-eqiv/mol of barium hydroxide is 67.4 g/mol
False
The normality of a solution is always equal to its molarity
False
The molality of a solution is always expressed in units of mol/L
False
What is the primary difference between molarity and molality?
Molarity is the number of moles of solute per liter of solution, while molality is the number of moles of solute per kilogram of solvent.
What is the unit of molality?
mol/kg
What is the normality of a solution?
The number of gram-equivalents of solute in a liter of solution.
What is the difference between a gram-equivalent and a mole?
A gram-equivalent is a mole of a substance multiplied by its equivalent weight, while a mole is a mole of a substance.
What is the molality of a solution prepared by dissolving 50 grams of glucose in 1000 grams of water?
0.25 m
What is the main difference between a solution and a solvent?
A solution is a mixture of two or more substances, while a solvent is a substance that dissolves another substance.
What is the molarity of a solution prepared by dissolving 10 grams of NaCl in 1000 milliliters of water?
0.1 M
What is the normality of a solution containing 20 grams of H2SO4 in 1000 milliliters of water?
0.2 N
What is the molality of a solution prepared by dissolving 20 grams of Na2SO4 in 1000 grams of water?
0.2 m
What is the main difference between a solution and a solute?
A solution is a mixture of two or more substances, while a solute is a substance that dissolves in another substance.
Learn about the characteristics of solutions, including the roles of solvents and solutes, and how to classify solutions based on physical state and solubility. Understand the concept of saturated solutions and their properties.
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