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20 July, 05:32

To what volume must 557 mL of 11 M

Ca (OH) 2 solution be diluted to make a 4 M

Ca (OH) 2 solution?

1. 1.90775

2. 2.9575

3. the correct answer is not given

4. 1.53175 L

5. 1.84067

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Answers (1)
  1. 20 July, 08:48
    0
    The answer to your question is the number 4. 1.53175 L

    Explanation:

    Data

    Volume 1 = V1 = 557 ml

    Concentration 1 = C1 = 11 M

    Volume 2 = V2 = ?

    Concentration 2 = C2 = 4 M

    Formula

    Volume 1 x Concentration 1 = Volume 2 x Concentration 2

    or V1 x C1 = V2 x C2

    Solve for V2 V2 = V1 x C1 / C2

    -Substitution

    V2 = (557) (11) / 4

    -Simplification

    V2 = 6127 / 4

    -Result

    V2 = 1531.75 ml or 1.53175 L

    Conclusion

    557 ml of 11 M must be diluted to 1.53175 L
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