Question: em Set: Chapter 6- Moles and Mass 1. How many moles of K+ ions are in 1.75 mol of K2SO4 2. How many calcium

em Set: Chapter 6- Moles and Mass 1. How many moles of K+ ions are in 1.75 mol of K2SO4 2. How many calcium atoms are in 16.2 g of calcium? 3. What is the mass in grams of 2.68x1022 atoms of uranium?

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