Home
Class 11
CHEMISTRY
The mass percent of oxgen in 109% oleum ...

The mass percent of oxgen in `109%` oleum is .

A

`40%`

B

`63.18%`

C

`60%`

D

`24%`

Text Solution

Verified by Experts

The correct Answer is:
B
Let `F^(+2) = x , F^(+3) = (0.93-x)`
`2x+3(0.93-x)=2`
`x=0.79`
`%Fe^(+2) = (0.79)/(0.93)xx100~=85%`
Promotional Banner

Similar Questions

Explore conceptually related problems

Cortisone is a molecular substance containing 21 atoms of carbon per molecule. The mas percentage of carbon in cortisone is 69.98% . Its molar mass is :

Assertion: The weight percentage of a compound A in a solution is given by % of A=("Mass A")/("Total mass of solution")xx100 Reason: The mole fraction of a component A is given by, Mole fraction of A =("No. of moles of A")/("Total no. of moles of all components")

If mass % of oxygen in monovalent metal 'M' carbonate (M_(2)CO_(3)) is 48% , find atomic mass of metal ? .