Answer to Question #121462 in General Chemistry for Lydia Temnewo

General Chemistry

Question #121462

How many grams of sodium contain the same number of atoms as 13.9 g of potassium?

Expert's answer

M (K) = 39.10

n = 13.9 / 39.10 = 0.355 mol

If n_K= n_Na then the number of atoms is equal.

So n_Na = 0.355 mol

M (Na) = 22.99

m = 0.355 x 22.99 = 8.17 g

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