Calculate the final concentration of each of the following: 2.0 L of a 6.0 M HCl solution is added to water so that the final vo

Question

Calculate the final concentration of each of the following:

2.0 L of a 6.0 M HCl solution is added to water so that the final volume is 6.0 L

Water is added to 0.50 L of a 12 M NaOH solution to make a 3.0 L of a diluted NaOH solution

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Hưng Khoa 3 weeks 2021-08-23T22:53:33+00:00 1 Answers 0 views 0

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    2021-08-23T22:54:55+00:00

    Answer:

    1. 2 M

    2. 2 M

    Explanation:

    1. Determination of the final concentration.

    Initial Volume (V₁) = 2 L

    Initial concentration (C₁) = 6 M

    Final volume (V₂) = 6 L

    Final concentration (C₂) =?

    The final concentration can be obtained as follow:

    C₁V₁ = C₂V₂

    6 × 2 = C₂ × 6

    12 = C₂ × 6

    Divide both side by 6

    C₂ = 12 / 6

    C₂ = 2 M

    Therefore, the final concentration of the solution is 2 M

    2. Determination of the final concentration.

    Initial Volume (V₁) = 0.5 L

    Initial concentration (C₁) = 12 M

    Final volume (V₂) = 3 L

    Final concentration (C₂) =?

    The final concentration can be obtained as follow:

    C₁V₁ = C₂V₂

    12 × 0.5 = C₂ × 3

    6 = C₂ × 3

    Divide both side by 3

    C₂ = 6 / 3

    C₂ = 2 M

    Therefore, the final concentration of the solution is 2 M

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