Which of the following statements are correct? 1. All salts of carbonate ion are

Question

Which of the following statements are correct? 1. All salts of carbonate ion are soluble in water. 2. Most salts of chloride ion are soluble in water. 3. All salts of hydroxide ion are soluble in water. a. 1 only b. 2 only c. 3 only d. 1 and 2 A precipitate will form when aqueous AgNO_3 is added to an aqueous solution of. a. KNO_3 b. Cu(NO_3)_2 c.KI d. Ca(CIO_4)_2 Which species in the reaction below undergoes oxidation? Sn(s) + 2 H^+(aq) rightarrow Sn^2+(aq) + H_2(g) a) Sn b) Sn^2+ c) H^+ d) H_2 A aqueous hydrochloric acid solution has a pH of 4.15. What mass of HC1 is present in 1.0 L of this solution? a) 2.6 times 10^-3 g b) 7.2 times 10^-5 g c) 0.58 g d) 23.0 g

Explanation / Answer

17) d) 1 and 2

18) c) KI which forms AgI which is insoluble

19) A) Sn , Sn is oxidised to Sn2+

20) B) 7.2 x 10^-5

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