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8 March, 12:10

How many moles are in 30.00 grams of H2PO4

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  1. 8 March, 12:14
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    0.3125

    Explanation:

    You take the Atomic mass and take it times the number how many are there. Then you divide the given mass by the total mass of the atoms.

    H = 2 * 1g = 2g

    P = 1 * 30g = 30g

    O = 4 * 16g = 64g

    2g + 30g + 64g = 96g

    30g / 96g = 0.3125 moles of H2PO4
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