Question

In a solution 12 gm of solute was added to make 90 grams of solution. Find mass by mass percentage of the solution?​

Answer 1

ans 10%

explanation

% by wt.= wt.ofthesolution(g)

________________

wt.ofthesolute(g). x100

% by wt = 90+10

______x 100

10

= 10%