Question

A solution is prepared by adding 2 g of a
substance A to 18 g of water. Calculate
the mass per cent of the solute.
we requir
1 litre sol
Hence
solution,
nol H​

Answer 1

Mass percent of solute =

mass of solution

mass of solute

×100

Mass of solute = 2 g

Mass of solvent = 18 g

Mass of solution = 20 g

∴ Mass percent of solute =

20

2

×100

=10%

hope this helps you

have a great time

Answer 2

Answer:

FORMULA F MASS PERCENTAGE IS..

MASS OF SOLUTE BY MASS OF SOLUTION INTO 100

SO HERE..

TOTAL MASS =20g

20/18×100 = 1.11 aprox

hope it helps plzz mark me brainliest and follow

me BTS army

purple u so much