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Molecular Mass

X gm A atom...

Question

$X g m$ $A$ atoms on combining with $Y$ atoms of $B$ form 5 molecules of a compound containing $A$ & $B$ . Find the molecular weight of compound formed. (Atomic weight of $B = M$ )

A

\frac{(X N_{A} + M Y)}{5}

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B

\frac{X + M}{5}

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C

\frac{X + M Y}{5}

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D

(\frac{X + M Y N_{A}}{5})

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Solution

The correct option is B $\frac{X + M Y}{5}$
Molecular weight of compound formed be $W$
$X + M Y = 5 W$
$W = \frac{X + M Y}{5}$

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