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2 cards from this section. Quick, good the night before a test.
Calculate the molecular mass of CO₂.
Remember to consider the atomic mass of carbon and oxygen.
What is the average atomic mass of chlorine if given 75.77% as 35Cl and 24.23% as 37Cl?
You're calculating a weighted average.
What is the molecular mass of CO₂?
Make sure you consider the contributions from all atoms.
True or False: The molecular mass of a molecule can change based on temperature.
Think about what molecular mass depends on.
Calculate the molecular mass of [C₃H₈] (propane) and explain how you compute it step by step.
Break it down by each atom in the molecular formula.
A compound with a formula of C₄H₁₀ has a molecular mass of 58.12 g/mol. Determine if this aligns well with molecular calculations. Show your calculations.
Double-check each numerical multiplication.
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