janiad42 janiad42

11-12-2019
Chemistry

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How many moles are in 30.00 grams of H2PO4

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schafferthannah schafferthannah

11-12-2019

Answer:

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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