Which of the following molarity values of ions is/are correct for a aqueous solution which contain `5.85% w//v NaCI, 5.55% w//v CaCI_(2)` and `6% w//v NaOH`.
A
`[CI^(-)]=2M`
B
`[Na^(+)]=1M`
C
`[Ca^(2+)]=0.5M`
D
`[OH^(-)]=1.5M`
Text Solution
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The correct Answer is:
A, C, D
Which of the following molarity ………. Only single solution have all these. It means `100 mL` solution have `5.85 g NaCI = 0.1` mole and `6g NaOH = 0.15` mole `|CI^(-)| = ((0.1+0.05xx2)xx1000)/(100)=2M` `[Na^(+)] = ((0.1+0.15)xx1000)/(100) = 2.5M` `[Ca^(2+)] = (0.05)/(xx(100)xx1000 = 0.5 M` `[OH^(-)] = 1.5M`
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