Question

# Molecular weight of water is $$20$$ u.

A
True
B
False

Solution

## The correct option is B FalseMolecular formula of water is $$H_2O$$Atomic weight of $$H$$ is $$1$$ u and of $$O$$ is $$16$$ uMolecular weight of water = $$2\times mass\ of\ H+1\times mass\ of\ O$$$$2\times 1 + 16=18$$ uTherefore, option $$B$$ is correct.Chemistry

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