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Number of chloride ions in 100 mL of 0.0...

Number of chloride ions in 100 mL of 0.01 M HCl solution are

A

`6.023 xx 10^(22)`

B

`6.023 xx 10^(21)`

C

`6.023 xx 10^(20)`

D

`6.023 xx 10^(24)`

Text Solution

Verified by Experts

The correct Answer is:
C
Number of moles of HCI = molarity `xx` volume in L `= ( 0.01 xx 100 )/( 1000 ) = 0.001`
1 mole of HCl gives 1 mole of `CI^(-)` ions.
` therefore ` number of `Cl^(-)` ions given by 0.001 mo HCl
` = 0.001 xx 6.023 xx 10^(23) = 6.023 xx 10^(20)`
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