A binary compound has the formula MCl and is experimentally determined to be 35.9 %…

CHEMISTRY · Single correct · A Level · Chemistry · Atomic structure · Atomic structure

Problem

A binary compound has the formula MCl and is experimentally determined to be 35.9 % chlorine by mass. Element M exists naturally as two isotopes, M-63 and M-65. Which of the following is closest to the percent abundance of the M-63 isotope that is consistent with the experimental data? (a) 55%55\% (b) 19%19\% (c) 82%82\% (d) 50%50\%

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