A.container holds 20 g of argon-40(${}_{18}^{40}\text{Ar}$) and 40 g of neon-20 (${}_{10}^{20}\text{Ne}$).

Question

SLPaper 1A

A.container holds 20 g of argon-40( ${}_{18}^{40}\text{Ar}$ ) and 40 g of neon-20 ( ${}_{10}^{20}\text{Ne}$ ).

What is $\frac{{\text{{number of atoms of argon -40}}}}{{\text{{number of atoms of neon -20}}}}$ in the container?

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