PA HELP PO PLS
1.what is a percent by mass of sugar
solution by dissolving 10g of sugar in 190
of solution
2.What is the percent by mass of concetration of salt solution that contains 5g of salt dissolve in 50g of water
3.Find the concetration of the solute in a solution that 150ml solvent and 50ml solute
4.A solution contains 25ml of athanol in 200ml alcohol solution what is the percent by volume concetrationbof the solution
Answers & Comments
Verified answer
Answer:
%(m/m) = 35%
Explanation:
Compute the mass of the solution.
mass solution = mass solute + mass solvent
mass solution = 8 g + 15 g
mass solution = 23 g
Solve for mass percent of sugar.
%(m/m) = (mass solute / mass solution) × 100
%(m/m) = (8 g / 23g) × 100
%(m/m) = 35%