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Empirical & Molecular Formula

The formula t...

Question

The formula that gives the symbolic representation of the actual number of atoms of various elements present in one molecule of the compound, is called:

A

molecular formula

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B

empirical formula

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C

molecular mass

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D

formula mass

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Solution

The correct option is A molecular formula

A molecular formula consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule.

The molecular formula for water is $H_{2} O$

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Q. Assertion :Molecular formula shows the exact number of different types of atoms present in a molecule of a compound. Reason: Molecular formula can be obtained directly from empirical formula which represents the simplest whole number ratio of various atoms present in a compound.

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