Question

A solution of sugar contains 35grams of sucrose c12h22o11 in 100ml of solution.what is the percent composition of the solution?

Answer 1

Answer:

Sucrose (C

12

H

22

O

11

) has molar mass of 342.20 g

Molarity of Sucrose =

Molar mass

Mass of Sucrose

×

V (in mL)

1000

=

342.2

342.2

×

1000

1000

=1M

Density of water =1 g/mL=1 kg/L

So, 1 Litre of water weighs 1 kg=1000g