Question

A solution has been prepared by dissolving 10 g of urea in 90 g of water. What is the mass percent of urea in the solution?​

Answer 1

Answer:

the weight of solution formed is

10+90=100g

in 100 g solution 5 g urea present

mass precent of urea=5/100×100

=5

therefore 5% urea present in solution

Answer 2

Answer:

>>>>>> Weight of solution= 5+95=100g

∴ Mass of percentage of urea= 5/100×100=5%