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Concentrated sulphuric acid is 98.0% H2SO4 by mass (molar mass 98…
Question
Concentrated sulphuric acid is 98.0% H2SO4 by mass (molar mass 98 g/mol) and has density 1.84 g/mL. Calculate the volume (in mL) of this concentrated acid required to prepare 500 mL of 0.500 M H2SO4 solution.
✓ Verified answer: 13.586957checked by our engine — not a guess
Step-by-step solution
Molarity of concentrated acid = (1000 x density x mass fraction)/M = (1000 x 1.84 x 0.98)/98 = 18.4 M.
Using M1V1 = M2V2: V1 = (M2V2)/M1 = (0.500 x 500)/18.4 = 250/18.4 = 13.587 mL.
Final answer13.586956521739131
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