Which of the following reactions represents a precipitation reaction? A. CoCl2(aq) + Na,so,(aq) → Coso (aq)+2NaCl(aq) B. AgNO, (

Question

Which of the following reactions represents a precipitation reaction?
A. CoCl2(aq) + Na,so,(aq) → Coso (aq)+2NaCl(aq)
B. AgNO, (aq) + KCI (aq) → AgCl (s) + KNO3(aq)
C. HNO3(aq) + NaF(aq) → HF(aq) + NaNO3(aq)
D. AgNO3(aq) + NaCl (s) → AgCl (aq) + NaNO3(aq)

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Sapo 4 years 2021-07-13T04:45:54+00:00 1 Answers 20 views 0

Answers ( )

  1. minhkhang
    0
    2021-07-13T04:47:28+00:00
    Reply

    The answer is B as precipitates are solids and B is the only equation that forms a solid in an aqueous solution.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )