Texts: Mass-Mole-Particle-Atoms Practice Worksheet
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Mass-Mole-Particle Practice:
1. How many grams are there in 2.45 moles of potassium chloride, KCl? (74.55g/mol)
WS2-35
2. How many molecules are there in 31.8 grams of H2O? (18.02g/mol)
3. How many moles are 2.85 x 10^23 atoms of Fe?
4. How many grams are in 9.05 x 10^2 ions of Cl? (35.45g/mol)
5. How many grams are in 3.55 moles of aluminum sulfate, Al2(SO4)3? (342.14g/mol)
6. How many formula units of magnesium hydroxide, Mg(OH)2, are found in 5.88 moles?
Chemical Formula Ratio Practice
7. How many atoms of fluorine are there in 0.23 moles of FeF3?
8. 4.50 grams of sodium sulfate, Na2SO4, contain how many atoms of oxygen? (142.04g/mol)