AnswersAA-F26 Physical ScienceBalancing Chemical Equations

Balancing Chemical Equations Answers

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Lana balanced an equation so that the result was 2C2H3Br + 5O2 → 4CO2 + 2H2O + 2HBr. Which most likely represents the starting equation?

A
2C4H3Br + 5O2 → 4CO2 + 2H2O + 2HBr
B
C2H3Br + 5O2 → 4CO2 + H2O + 2HBr
C
C4H3Br + O2 → CO2 + H2O + HBr
D
C2H3Br + O2 → CO2 + H2O + HBr
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If the mass of the products measured 120 g, what would be the mass of the reactants?

A
30 g
B
60 g
C
120 g
D
240 g

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Balancing Chemical Equations Answers — AA-F26…