which molecular formula is also an empirical formula?
1)C6h6
2)h2o2
3) n2h4
4) n2o5

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AinZulkifli AinZulkifli · Answer 1 · 2018-02-21T17:40:10+01:00

The answer is number 4, N2O5.

Because it can't be divided any further since 2 and 5 do not have a common divisor.

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adioabiola adioabiola · Answer 2 · 2021-10-19T14:40:42+02:00

The molecular formula which is also an empirical formula is Choice 4: N2O5

The molecular formula of a compound is always a multiple of the empirical formula.

The choices are analysed as follows;

For Choice 1;

The subscripts can further be divided. As such, C6H6 is a molecular formula but not an empirical formula.

For Choice 2;

The subscripts can further be divided. As such, H2O2 is a molecular formula but not an empirical formula.

For Choice 3;

The subscripts can further be divided. As such, N2H4 is a molecular formula but not an empirical formula

However; For Choice 3;

The subscripts can not be further divided. As such, N2O5 is a molecular formula and also an empirical formula.

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