It takes 38 mL of 0.75 M NaOH solution to completely neutralize 155 mL of a sulfuric acid (H2SO4) What is the concentration (in M) of H2SO4 solution?

Answers (1)

Molarity = 0.09M

Explanation:

no. of moles of NaOH = M x Volume(Litre)

                                     = 0.75 x 38 / 1000

                                     = 0.0285 moles

2 moles of NaOH = 1 mole of H2SO4

no. of moles of H2SO4 = 0.0285 / 2

                                       = 0.014 moles

Molarity = 0.014 / 0.155

              = 0.09 M

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