What is the relative atomic mass of an element defined as?
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Card 7
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What is the relative formula mass of water, H2O?
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Card 8
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What is the relative formula mass of calcium hydroxide, Ca(OH)2?
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Card 9
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Calcium carbonate decomposes to form calcium oxide and carbon dioxide when it is heated: Calcium Carbonate(50g) = Calcium Oxide (28g) + Carbon Dioxide (22g). What mass of carbon dioxide is made from 100 g of calcium carbonate?
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Card 10
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When it is heated in air, magnesium reacts with oxygen to form magnesium oxide. Magnesium (48g) + Oxygen (32g) = Magnesium Oxide (80g). What mass of oxygen is needed to make 20 g of magnesium oxide?
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Card 11
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What is the number of moles of carbon dioxide molecules in 22 g of CO2?
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Card 12
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What is the mass of 2 mol of carbon dioxide?
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Card 13
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10 mol of carbon dioxide has a mass of 440 g. What is the molar mass of carbon dioxide?
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Card 14
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Sulfuric acid and sodium hydroxide react together to make sodium sulfate and water: H2SO4 + 2NaOH → Na2SO4 + 2H2O What mass of sodium sulfate is made when 20 g of sodium hydroxide reacts with excess sulfuric acid?
