Question

A solution made by dissolving 8g of 100% H2so4 in 60g of H2o, then find molarity and molality?

Answer 1

Answer:

Molarity, M=

volume(L)

no. of moles

Volume, V=250mL=0.25L

No. of moles, n= mass/molar mass

Mass = 49 g

Molar mass of H

2

SO

4

= 98 g

n=49/98=0.5

M=0.5/0.250=2M