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→Calculating the Mass of a missing Product/Reactant
===Calculating the Mass of a missing Product/Reactant===
: The [[mass]] of a missing [[product]] of [[reactant]] can be found because the total [[mass]] of the [[product]]s = the total [[mass]] of [[reactant]]s.
M<sub>Reactants</sub> = M<sub>Products</sub>
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Find the [[mass]] of [[Calcium Oxide]] [[product|produced]] in the following [[Chemical Reaction|reaction]]:
CaCO<sub>3</sub> → CaO + CO<sub>2</sub>
25g = x + 11g
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Find the [[mass]] of [[Carbon Dioxide]] [[product|produced]] in the following [[Chemical Reaction|reaction]]:
CH<sub>4</sub> + 2O<sub>2</sub> → 2H<sub>2</sub>O + CO<sub>2</sub>
4g + 16g = 9g + x
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Find the [[mass]] of [[Hydrochloric Acid]] needed in the following [[Chemical Reaction|reaction]]:
NaOH + HCl → NaCl + H<sub>2</sub>O
160g + x = 234g + 72g
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x = 25g - 11g
x = 14g
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20g = 9g + x
x = 20g - 9g
x = 11g
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160g + x = 306g
x = 306g - 160g
x = 146g
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===Calculating the Mass Required for a Complete Reaction===
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