A chemist measures the amount of oxygen gas produced during an experiment. She finds that of oxygen gas is produced. Calculate the number of moles of oxygen gas produced. Be sure your answer has the correct number of significant digits.

This question is incomplete. A fragment of the question is missing. The fragment is:

She finds that 4.87 g of oxygen gas is produced

0.152 moles

Explanation:

Using the formula: mole = mass / molar mass

According to the question, a chemist measures the amount of oxygen gas produced during an experiment. Oxygen gas has the chemical formula: O2. Hence, the molar mass will be:

O2 = 16(2) = 32g/mol

If the mass of the oxygen gas to be 4.87 g of oxygen gas.

Therefore,

moles = 4.87/32

moles = 0.152mol

the product of the pressure and volume is also constant

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