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2 November, 18:29

What is the total number of grams of KCl (formula mass = 74.6) in 1.00 liter of 0.200 molar solution?

A) 7.46 g B) 14.9 g

C) 22.4 g D) 29.8 g

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Answers (2)
  1. 2 November, 18:48
    0
    Answer: option B. 14.9 g

    Explanation:

    Formula Mass of KCl = 74.6g/mol

    Molarity = 0.2M

    Mass conc. = Molarity x formula mass

    Mass conc. = 0.2 x 74.6 = 14.9g
  2. 2 November, 19:26
    0
    B) 14.9 g

    Explanation:

    74.6*1.00:0.200=14.9
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