Question

a soluion is prepared by dissolving 10gm of commmon ssalt inn 90gm of water ccaalculate the mass percnt of thee each componeennt and of the each ssolution

Answer 1

mass of salt= 10 gm

mass of water= 90 gm

total mass of solution= 10 + 90=100 gm

therefore, % of salt=mass of salt (divided by) mass of solution * 100

                            =10/100*100

                            =10%

therefore, % of water=100-10

                               =90%