Question

The compound has c7h7no2 has 17 atoms in a molecule of the compound

Answer 1

Explanation:

The compound C7H7NO2 contains (a) 17 atoms per mole; (b) equal percents by mass of C and H; (c) about twice the percent by mass of O as of N; (d) about twice the percent by mass of N as of H.

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Answer 2

The statement, compound has $C_{7}H_{7}NO_{2}$ has 17 atoms in a molecule of the compound, is true.

Explanation:

The subscript present in chemical formula of a compound represents the number of atoms of the element actually present in it.

For example, in $C_{7}H_{7}NO_{2}$ the subscripts present in it are 7, 7, 1, and 2.

The elements present in this compound are carbon (C), hydrogen (H), nitrogen (N), and oxygen (O). Since, this compound contains 7 atoms of carbon, 7 atoms of hydrogen, 1 atom of nitrogen, and 2 atoms of oxygen.

Therefore, total number of atoms present is int are as follows.

               7 + 7 + 1 + 2 = 17

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