Chemistry

Problem

Determine the approximate ratio of the mass of a

\text{Ca}^{2+}

ion (mass number 40) to the mass of a single electron. Use

1\,\text{u}=1.66\times10^{-27}\,\text{kg}

and

m_e=9.11\times10^{-31}\,\text{kg}

. Ignore the missing electron mass in the ion.