(C) The molar mass $(M_W)$ is calculated as $M_W = 2 \times \text{Vapour Density} = 2 \times 70 = 140 \text{ g/mol}$.The formula mass is given by $x \

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(C) The molar mass $(M_W)$ is calculated as $M_W = 2 \times \text{Vapour Density} = 2 \times 70 = 140 \text{ g/mol}$.The formula mass is given by $x \times (12 + 16) = 28x$.Equating the two: $28x = 140$.Solving for $x$: $x = \frac{140}{28} = 5$.

Class 11 Chemistry Some Basic Concepts of Chemistry Atomic, Molecular and Equivalent masses

Medium

$A$ gas has the formula $(CO)_x$. Its vapour density is $70$. What is the value of $x$?

A
$7$
B
$4$
C
$5$
D
$6$

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Some Basic Concepts of Chemistry

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Atomic, Molecular and Equivalent masses

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$A$ gas has the formula $(CO)_x$. Its vapour density is $70$. What is the value of $x$?

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Calculate the molecular mass of glucose $[C_{6}H_{12}O_{6}]$ molecule. (in $u$)

Naturally occurring boron has $20\%$ $_5B^{10}$ and $80\%$ $_5B^{11}$. The average atomic weight of boron is

Boron has two stable isotopes,$^{10}B$ $(19\%)$ and $^{11}B$ $(81\%)$. What will be its atomic mass in the periodic table?

What do you mean by molar weight?

If a metal oxide contains $32\%$ oxygen,what is the equivalent mass of the metal?

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