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? asked in Science & MathematicsChemistry · 2 weeks ago

Help!! please !! ?

If it takes 20 mL of 0.35 M H₂SO₄ to neutralize 50 mL of NaOH solution, what is the concentration of the NaOH solution?

a. 0.21 M

b. 0.07 M

c. 0.14 M

d. 0.28 M

1 Answer

Relevance
  • Roger the Mole
    Lv 7
    2 weeks ago

    H2SO4 + 2 NaOH → Na2SO4 + 2 H2O

    (20 mL) x (0.35 M H2SO4) x (2 mol NaOH / 1 mol H2SO4) / (50 mL NaOH) =

    0.28 M NaOH

    So answer d.

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