What is the pH of a solution made by mixing 500 mL of 1.00 M...

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Chemistry

What is the pH of a solution made by mixing 500 mL of 1.00 M HCNand 1.50 L of 0.250 M NaOH, and then diluting the entire solutionto a volume of 3.00 L? (Ka HCN = 4.0 x 10-10)

  • A.

    8.92

  • B. 6.52

  • C.

    9.88

  • D.

    9.27

  • E.

    5.08

To obtain one litre of a solution of pH = 7, you should dissolvein water

  • A.

    Two mol of HI + two mol of CH3NH2

  • B.

    One mol of H2SO4 + two mol ofNH3

  • C.

    One mol of HF + one mole of KOH

  • D.

    Two mol of H2SO4 + four mol of NaOH

  • E.

    Two mol of H3PO4 + three mol ofCa(OH)2

Answer & Explanation Solved by verified expert
4.3 Ratings (594 Votes)
12D Two mol of H2SO4 four mol of NaOHThe neutralization    See Answer
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