Which of following chemical equations is an acid-base reaction? a. Ba(OH)_2 (aq)

Question

Which of following chemical equations is an acid-base reaction? a. Ba(OH)_2 (aq) + K_2 SO_4 (aq) rightarrow BaSO_4 + 2 KOH (aq) b. 3 NaoH (aq) + AlCl_3 (aq) rightarrow Al(OH)_3 (s) + 3 NaCl (aq) c. 2 H^+ (aq) + Zn (s) rightarrow PbCl_2 (s) + 2 HNO_3 (aq) e. H_3 PO_3 (aq) + NH_3 (aq) rightarrow NH_3 (aq) + H_2 PO_4 (aq) Pocassium reacts with chlorine gas to produce potassium chloride. How many moles of K will react with 0.40 moles of Cl_2? a. 0.20 mol b. 0.32 mol c. 0.40 mol d 0.60 mol e. 0.80 mol The complete combustion of 0.20 moles of propane. C_3 H_8, will a, consume 0.20 mol O_2, and produce 0.20 mol CO_2. b consume 0.20 mol O_2 and produce 0 40 mol CO2. c. consume 1.0 mol O_2 and produce 0.60 mol CO_2. d. consume 1.0 mol O_2 and produce 3.0 mol CO_2 e. consume 1.0 mol O_2 and produce 0.80 mol CO_2 If the complete combustion of an unknown mass of ethylene produces 16.0 g CO_2, what mass of ethylene is combusted? C_2 H_4 (g) + 3 O_2 (g) rightarrow 2 CO_2 (g) + 2 H_2 O (g) a. 0.182 g b, 0.364 g c. 5.10 g d. 8.00 g e. 12.6 g How many moles of Mg_3 P_2 (s) can be produced from the reaction of 0.14 mol Mg(s) with 0.020 mol P_4 (s)? 6 Mg(s) + P_4 (s) rightarrow 2 Mg_3 P_2(s) a. 0.047 mol b. 0.14 mol c. 0.42 mol d. 0.020 mol e. 0.040 mol If 15.0 g and 2.00 g H_2 react to produce 1.38 g NH_3, what is the percent yield of the reaction? N_2 (g) + 3 H_2 (g) rightarrow 2 NH_3 (g) a. 7.57% b 12.2% c. 8.12% d. 15.1% e. 8.17%

Explanation / Answer

Ans 11 : (e)

There is an acid Phosphoric acid .

The base present is Ammonia.

So, acid and base combine to give salt.

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