The questions below refer to the equation: 3 Cu(s) + 8 HNO3(aq) · ---------> 3 Cu(NO3)2(aq) + 2 NO(g) + 4 H2O(1) a) How many moles of NO are produced by the reaction of 4.0 moles of copper with excess HNO3? b) How many moles of HNO3 are required to react completely with 5.0 moles of copper? c) How many moles of NO are produced by the reaction of 6.35 grams of Cu with excess HNO3?

4. 1 NaCI + 1 AgNO, → 1 AgCl + 1 NANO3 (a) 78.00 g of NaCl should produce how many grams of AgCl?

2.The following reaction takes place as represented by the balanced chemical equation below: 2 K3PO4 (aq)  +  3 Ba(NO3)2 (aq)  -->  6 KNO3 (aq)  +  Ba3(PO4)2 104.7 mL of a 2.50 M K3PO4 solution is reacted with an excess amount of Ba(NO3)2 solution. How many grams of Ba3(PO4)2 should be produced? Numerical answer:    Unit:      3.The following reaction takes place as represented by the balanced chemical equation below: Mg(NO3)2 (aq)  +  2 NaOH (aq)  -->  Mg(OH)2 (s)  +  2 NaNO3 (aq) How many grams of solid Mg(OH)2 would form from combining 88.7 mL of 2.32 M Mg(NO3)2 solution with 107 mL of a 2.45 M NaOH solution? Numerical answer:    Unit:

MnO2(s) + HCl(aq)→Cl2(g) + MnCl2(aq) + H2O(l) How many moles of HCl are required to produce 15.0 kg of MnCl2?

When 4 moles of aluminum are allowed to react with an excess of chlorine gas, Cl₂, how many moles of aluminum chloride are produced? 2AI + 3Cl₂ → 2AICI 3 2 moles O 5 moles 4 moles 3 moles

A3) Balance the following equation. You must enter a number in every blank. Fe(s) + O2lg) → Fe3O4(s)

5. Consider the following reaction:           BaCl2(aq)  +  2 AgNO3(aq)  -->  2 AgCl(s)  +  Ba(NO3)2(aq) How many moles of BaCl2 are needed to prepare 61.30 moles of AgCl?

What numbers belong in the blank spaces to fully balance the following reaction? __Fe (s) + __Cl₂ (g) → __FeCl₃ (s)