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How many grams of oxygen are necessary to react completely if you have 4.0 moles of oxygen
Question
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Answers ( )
Answer:
1.3 × 10² g
Explanation:
Step 1: Given data
Moles of oxygen: 4.0 mol
Step 2: Calculate the mass corresponding to 4.0 moles of oxygen
For a given chemical reaction, we need 4.0 moles of oxygen and we want to find what mass in grams it represents. To convert moles to mass, we need a conversion factor: the molar mass. The molar mass of oxygen is 32.00 g/mol.
4.0 mol × 32.00 g/mol = 1.3 × 10² g