Calculate the number of moles of HCl present in 20cm3 of a 0.75M solution of…

Chemistry JAMB 2007

Calculate the number of moles of HCl present in 20cm3 of a 0.75M solution of the acid

  • 0.015 mole checkmark
  • 0.038 mole
  • 3.800 moles
  • 1.500 moles

The correct answer is: A

Explanation

Number of moles = (conc. in mol/dm3*volume in cm3)/1000
(0.75 * 20)/100 = 0.015 mole
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