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.​

Answer 1

Answer:

• 2/16*100
• 1/8*100
• so 12.5%
• by using. percent method
• total amount of solute /total solution *100

Answer 2

HEYA MATE HERE U GO.

Mass percent of A = Mass of A / Mass of solution × 100.

= 2g / 2g of A + 18 g of water × 100 = 2g/20g× 100 = 10%.