Nucleodic masses of and are mixed to give average atomic mass of 14.1

CHEMISTRY · Subjective · A Level · Chemistry · Atomic structure · Atomic structure

Problem

Nucleodic masses of

^{14}_{7}\text{N}

and

^{15}_{7}\text{N}

are mixed to give average atomic mass of 14.1. The ratio of

^{14}\text{N}

and

^{15}\text{N}

mixed is .....