You visited us 1 times! Enjoying our articles? Unlock Full Access!

Percentage Composition

Na2SO3· xH2O ...

Question

$N a_{2} S O_{3} \cdot x H_{2} O$ has $50 %$ $H_{2} O$ by mass. Hence, $x$ is :

4

No worries! We‘ve got your back. Try BYJU‘S free classes today!

5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

6

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D $7$
Molecular mass of $N a_{2} S O_{3} \cdot x H_{2} O = 126 + 18 x$
Hence, $\frac{18 x}{126 + 18 x} = 0.5$ (given)
$∴ x = 7$

Suggest Corrections

Similar questions

N a_{2} S O_{3} . x H_{2} O

H_{2} O

x

N a_{2} S O_{3}

H_{2} O

1 : 7

N a_{2} S O_{3} \cdot x H_{2} O

N a_{2} S O_{4} . x H_{2} O

50 %

H_{2} O

x

N a_{2} S O_{3} \cdot y H_{2} O

50 %

H_{2} O

y

A l_{2} (S O_{4})_{3} . x H_{2} O

8.20

A l

x / 3

Join BYJU'S Learning Program