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CHEMISTRY

JAMB 2007 - Question 23

Chemistry 2007 JAMB Past Questions - Question 23: Calculate the number of moles of HCL present in 20cm³ of a 0.75M solution of the acid.

Choose the correct answers from the options given.

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

A: 0.015 mole

B: 0.038 mole

C: 3.800 moles

D: 1.500 moles

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Correct Answer

Explanation

No of mole = volume x Molar concentration 1000 = 20 x 0.75M1000 = 0.016 mole