Question

find the
weight of Sodium Carbonate
dissolved in 250 ml of
the 0.1M Na₂CO3
Solution.​

Answer 1

Answer=

The molar mass of sodium carbonate is 106 g/mol.

2.65 g of sodium carbonate corresponds to

1062.65=0.025 moles

Molar concentration will be the ratio of the number of moles of sodium carbonate to the volume of solution. It will be

0.2500.025=0.1 M.

0.1 M solution is diluted to 0.001 M

MV=M′V′

0.1×10=0.001×(10+X)

10+X=1000

X=1000−10=990 ml