Chemistry

Problem

Using the formula

n = \frac{m}{M}

, calculate the amount in mol of the following: a. 10.0 g of sodium b. 0.5 kg of NaCl c. 0.25 g of KMnO₄ d. 3.0 kg of CO₂ e. 15.0 g of Br₂ f. 1 g of H₂O

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