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# Concentration of Solutions MCQ1

Created by
@PrudentRainforest

### What is the unit of concentration that represents the number of moles of solute per litre of solution?

• g/L
• mol/L (correct)
• ppm
• w/v
• ### A 10% w/v solution contains how many grams of solute in 100ml of solution?

• 5 g
• 1 g
• 20 g
• 10 g (correct)
• ### If a solution has a concentration of 5 ppm, how many grams of solute are present in 1000 litres of solution?

• 0.5 g
• 0.05 g (correct)
• 5 g
• 50 g
• ### A 15% w/w solution contains how many grams of solute in 100g of solution?

<p>15 g</p> Signup and view all the answers

### What is the concentration of a solution that contains 20 grams of solute in 200ml of solution?

<p>10% w/v</p> Signup and view all the answers

### A 12% w/w solution has how many grams of solute in 250g of solution?

<p>30g</p> Signup and view all the answers

### What is the difference between a solution with a concentration of 2M and a solution with a concentration of 2g/L?

<p>One is a molar concentration and the other is a mass concentration.</p> Signup and view all the answers

### What is the concentration of a solution that contains 12 grams of solute in 120ml of solution?

<p>10% w/v</p> Signup and view all the answers

### A 20% w/w solution is diluted to 10% w/w. What is the mass of the solute in 100g of the diluted solution?

<p>10g</p> Signup and view all the answers

### A 5% v/v solution contains 25ml of solute in 500ml of solution. What is the volume of the solute in 100ml of solution?

<p>5ml</p> Signup and view all the answers

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