What is the relative molecular mass of cane sugar?

342

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240

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345

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350

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Solution

The correct option is A
342

Atomic mass of one atom of carbon is 12 u, oxygen is 16 u and hydrogen is 1 u.

$C_{12} H_{22} O_{11}$ is the molecular formula of cane sugar.

So for cane sugar relative molecular mass will be:
$12 \times 12 + 1 \times 22 + 16 \times 11$ = 342u

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