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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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