Nhelzky Nhelzky

17-10-2022
Chemistry

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Determine the number of atoms or molecules in the following: a. 20.0 grams of H2 b. 54.30 grams of Sr c. 84.6 grams of Na2CO3 d. 9.432 kg of BeO e. 0.75 moles of Ca3(PO4)2

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