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how many ml of 0.1m hcl is requied to react completly with 1gr mixture of na2co3 and nahco3 contining equi molar amount of both?

how many ml of 0.1m hcl is requied to react completly with 1gr mixture of na2co3 and nahco3 contining equi molar amount of both?
 

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
let x gm of Na2CO3 is present then 1-x is remaining NaHCO3.
And equal moles are given therfore,
x/ 106 = (1-x)/ 84
on solving we get,
x = 0.558 gm.
Hence on putting in the moles rspectively we get,
moles = 0.0152 for each.
And the number of moles fo HCl required would be => 2*0.0512 => 0.01502
Total moles would be => 0.01502 + 0.00525 => 0.015728 moles.
Hence,
MV = moles we get,
V = 0.015728/0.1 => 0.15728 L.

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