Balance the following equations. (Use the lowest possible coefficients for all reactions.) CuO + HCI → CuCl2 + H2O CuO + HCI CuCl2 + H2O Ca3 (PO4)2 + H3PO4 → Ca(H2PO4)2 Caz (PO4)2 + H3PO4 Ca(H2PO4)2

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