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Chemistry worksheet titled "49er Worksheet" featuring stoichiometry problems that require balancing equations and calculating mass.

Chemistry stoichiometry worksheet with balancing equations and mass-to-mass calculation problems for students.

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1. Write the balanced chemical equation.
2. Convert the given mass of the starting substance to moles using its molar mass.
3. Use the mole ratio from the balanced equation to convert moles of the starting substance to moles of the desired substance.
4. Convert moles of the desired substance to mass using its molar mass.

2. 97.0 g Cl₂
3. 24.5 g H₂O
4. 42.7 g O₂
5. 49.6 g O₂
6. a. 49.8 g CO₂
b. No, the designers would not be happy because the actual yield (30 g) is significantly less than the theoretical yield (49.8 g), indicating inefficiency or loss in the reaction.

Parent Tip: Review the logic above to help your child master the concept of mass mass stoichiometry worksheet.

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