Problem: How many O2 molecules are needed to react with 7.61 g of S?Express your answer numerically in units of molecules.Elemental S reacts with O2 to form SO3 according to the reaction2 S + 3 O2 → 2 SO3as depicted here.

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How many O2 molecules are needed to react with 7.61 g of S?

Express your answer numerically in units of molecules.


Elemental S reacts with O2 to form SO3 according to the reaction

2 S + 3 O2 → 2 SO3

as depicted here.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Stoichiometry concept. You can view video lessons to learn Stoichiometry. Or if you need more Stoichiometry practice, you can also practice Stoichiometry practice problems.

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Based on our data, we think this problem is relevant for Professor Czernuszewicz's class at UH.