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OpenStudy (anonymous):
how many grams of calcium nitrate, Ca(NO3)2, will be needed to react with 12.7 g of sodium carbonate, Na2CO3?
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OpenStudy (hlilly2413):
1. start with the balanced equation because you will need to know the mole ratio of calcium nitrate and sodium carbonate. 2. Then, convert the 12.7 g of sodium carbonate into moles of sodium carbonate. 3. Convert the moles of sodium carbonate into grams of calcium nitrate using the mole ratio. *You will probably need the molar mass of sodium carbonate for the second step.
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