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31 March, 10:26

Which chemical equation is balanced? A) 2PCl5 + 2H2O → 2HCl + H3 PO4 B) PCl5 + H2O → HCl + H3 PO4 C) PCl5 + 3H2O → 5HCl + H3 PO4 D) PCl5 + 4H2O → 5HCl + H3 PO4

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  1. 31 March, 10:34
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    The answer is D. The chemical equation is balanced means that the atom number of each elements from the left side and right side is equal. The quick method is to check the P and Cl.
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