Chemistry, 22.04.2021 19:30, zoriahmendoza

Calculate the mass in grams of the following: 1. 0.42 moles of iron
2. 7.5 moles of PH3
3. 5.2×10^24 atoms of silver.
Thank you in advance.

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Calculate the mass in grams of the following: 1. 0.42 moles of iron
2. 7.5 moles of PH3