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How many moles of O are present in 4.9 g...

How many moles of `O` are present in `4.9 g` of `H_(3) PO_(4)`? (Atomic weight of `P, O` and `H = 31, 16, 1`)

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To find out how many moles of oxygen (O) are present in 4.9 g of H₃PO₄, we will follow these steps: ### Step 1: Calculate the molar mass of H₃PO₄ - The molecular formula of phosphoric acid (H₃PO₄) consists of: - 3 Hydrogen (H) atoms - 1 Phosphorus (P) atom - 4 Oxygen (O) atoms - Using the atomic weights provided: ...
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