Balance the following skeletal chemical equations. (Use the lowest possible coef

Question

Balance the following skeletal chemical equations. (Use the lowest possible coefficients.) (a) (..........) Pb(NO3)2(aq) + (...........)Na3PO4(aq)?????????? (.........) Pb3(PO4)2(s) + (..........) NaNO3(aq) (b) (..........) Al(s) + (..........) H2SO4(aq)?????????????(..........) Al2(SO4)3(s) + (..........) H2(g) (c) (..........) KClO3(s) ????????????(..........) KCl(s) + (..........)O2(g) (d) (..........) MnO2(s) + (..........) HCl(aq) ?????????????(..........)Cl2(g) + (..........)MnCl2(aq) + (..........) H2O(l)

Explanation / Answer

(a) 3 Pb(NO3)2(aq) + 2 Na3PO4(aq) ====> Pb3(PO4)2(s) + 6 NaNO3(aq) (b) 2Al(s) + 3H2SO4(aq) =======> (..........) Al2(SO4)3(s) + 3 H2(g) (c) 2KClO3(s) ===> 2 KCl(s) + 3O2(g) d) MnO2(s) + 4HCl(aq) =====> Cl2(g) + MnCl2(aq) + 2H2O(l)

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