1.

200 mL of a solution of mixture of NaOH and Na_(2)CO_(3) was first titrated with phenolphthalein and N//10HCl. 17.5 mL of HCl was required for the end point. After this methyl orange was added and 2.5 mL of same HCl was required for next end point. Find out amounts of NaOOH and Na_(2)CO_(3) in mixture.

Answer»


ANSWER :`NaOH=0.06g PER 200 mL`,
`Na_(2)CO_(3)=0.0265 g per 200 mL`;


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