If aqueous solutions of solution of sulfate (N_aSO_4) and barium chloride (bacl_

Question

If aqueous solutions of solution of sulfate (N_aSO_4) and barium chloride (bacl_2) are mixed a white precipitate forms what is the identity of the precipitate? Na_2Ba nacl_2 NaCl baso_4 b_a2SO_4 identify all of the spectator ions in the reaction below. zn(oh)_2(s) + 2h^+(aq) + 2no_3^-(aq) rightarrow z_n^2+(aq) +2no_3(aq) + 2h_2o(l) z_n(oh)_2 no_3 zn^2+H^+ H^+ and NO_3 according to the Arrhenius acid - base definition acids produce H^+ in aqueous and bases produce H^+ in aqueous solutions. acids only react with buses. all hydrogen halides are storing acids and bases are storing electrolytes. which list contains only strong acids? HCL, NHO_3, HF, HCLO_4 H_2SO_4 H_3PO_4 HCLO_4 NH_3 HCL, HNO_3, H_3PO_4 HCLO_4 HCL, H_2SO_4 HCLO_4 HNO_3, H_2SO_4, N_aOH, H_3PO_4 assign oxidation numbers to each atom in sodium hydrogen carbonate, (N_aHCO_3) N_a = +1, H = -1, c = +6, o = -2 N_a = +1, H = -1, c = +4, o = -2 Na = +1, H = -1, c = +2, o = -2 Na = -1, H = +1, c = 0, o = -2 N_a = 0, H = 0, c = 0, o = 0

Explanation / Answer

4)

Na2SO4 + BaCl2 ----> 2NaCl + BaSO4

BaSO4 is precipitate here

Answer: d

5)

No3- (aq) is there on both sides of reaction

So it is spectator ion

Answer: b

6)

acid give H+ and base give OH-

Answer: a

I am allowed to answer only 1 question at a time

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