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 Option
a

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Discussions (5)

goodluck2
6 years ago

CV ÷1000=0.75×20÷1000=0.015mol.

Ozny
4 years ago

1000 = 0.75moldm^3 therefore
25cm^3= (0.75 x 25)/1000
=0.015mole

AyshahSS2A
5 months ago

yes I agree

tyjesma
11 years ago

0.15 not 0.015

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