10 Questions
What is the unit of concentration that represents the number of moles of solute per litre of solution?
mol/L
A 10% w/v solution contains how many grams of solute in 100ml of solution?
10 g
If a solution has a concentration of 5 ppm, how many grams of solute are present in 1000 litres of solution?
0.05 g
A 15% w/w solution contains how many grams of solute in 100g of solution?
15 g
What is the concentration of a solution that contains 20 grams of solute in 200ml of solution?
10% w/v
A 12% w/w solution has how many grams of solute in 250g of solution?
30g
What is the difference between a solution with a concentration of 2M and a solution with a concentration of 2g/L?
One is a molar concentration and the other is a mass concentration.
What is the concentration of a solution that contains 12 grams of solute in 120ml of solution?
10% w/v
A 20% w/w solution is diluted to 10% w/w. What is the mass of the solute in 100g of the diluted solution?
10g
A 5% v/v solution contains 25ml of solute in 500ml of solution. What is the volume of the solute in 100ml of solution?
5ml
Test your understanding of concentration of solutions.
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