Question

calculate the number of NH3 molecules present in 68 G of ammonia gas​

Answer 1

1 mole of ammonia also contains 6.022 * 10^23 molecules of ammonia. In one molecule of ammonia,we have 1 nitrogen atom and 3 hydrogen atom. Hence a total of 4 atoms, so in 6.022 * 10^23 molecules of ammonia we will have 4 * 6.022 * 10^23 number of atoms.

Per molecule of ammonia there are theoretically three bonds, one between each hydrogen and the nitrogen with the additional electron pair in the outer shell of the nitrogen forming a line pair.

Answer 2

may be it is right!!! and help you ...