We’re being asked to calculate the mass of a phosphorus sample that contains 0.585 moles of phosphorus atoms.
Convert the moles to mass (using molar mass).
moles phosphorus (molar mass) → mass phosphorus
Given: 0.585 moles P
The atomic weight of phosphorus is 30.974 u. What is the mass of a phosphorus sample which contains 0.585 moles of phosphorus atoms?
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