The molecular formula of a compound is $C_{2} X_{6}$ . X is unknown.If the mass ratio of C to X is 4:1. Find X

Helium

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Sodium

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Calcium

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Hydrogen

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Solution

The correct option is D
Hydrogen

Let the mass of element X is $x$

Since, the mass ratio $= \frac{2 \times 12}{6 \times x}$ =4:1 $\Rightarrow$ x=1

Hydrogen has mass 1.

Hence, X Is Hydrogen.

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Similar questions

The molecular formula of a compound is $C_{2} X_{6}$ . X is unknown. If the mass ratio of C to X is 4:1 in the compound, find X.

C_{2} \times X_{6}

C H_{2} O

90

180

C H_{2} O

x : y

x + y

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