Q1. Calculate mass % of solute if 10 g NaCl is dissolved in 90 g water.
Q2. 20 g sugar is dissolved in 80 g water. Find mass %.
Q3.Calculate mass % of benzene (6H6) if 22 g benzene is dissolved in 122 g carbon tetrachloride CCl4
Q4.A solution is 25% NaCl. Find mass of NaCl in 200 g solution.
Q5. A solution contains 5 g solute in 95 g solvent. Find mass %.
Q5a. What is the mass % when 15 g solute is dissolved in 85 g solution?
Q6.Calculate % (v/v) if 20 mL alcohol is mixed with 80 mL water.
Q7.10 mL acetone is dissolved in 90 mL water. Find volume %.
Q8.A solution is 25% (v/v) ethanol. Find volume of ethanol in 200 mL solution.
Q9.Calculate % (v/v) if 30 mL solute is present in 150 mL solution.
Q10.50 mL ethanol is mixed with 150 mL water. Calculate volume %.
Q11. Calculate % (w/v) if 10 g NaCl is dissolved in 200 mL solution.
Q12. 5 g glucose is dissolved in 100 mL solution. Find % (w/v).
Q13. A solution is 10% (w/v). Find mass of solute in 250 mL solution.
Q14.Calculate % (w/v) if 8 g solute is present in 50 mL solution.
Q15.20 g urea is dissolved to make 400 mL solution. Find % (w/v).