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29-04-2024
Chemistry

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. Balance the following equations: a) PCl5(s) H2O(l) → POCl3(l) HCl(aq) b) Cu(s) HNO3(aq) → Cu(NO3)2(aq) H2O(l) NO(g) c) (NH4)2Cr2O7(s) → Cr2O3(s) N2 (g) H2O(g) d) Al(s) H2SO4(aq) → Al2(SO4)3(s) H2(g) e) Ca2(PO4)2(aq) H3PO4(aq) → Al2(SO4)3(s) H2(g)

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