Question

Calcium carbonate reacts with hcl to give cacl2 and co2 and h2o what mass of 20%impure caco3 required to react completely with 250 ml of 0.50 M hcl
​

Answer 1

Answer:

Eq. of CaCO

3

= Eq. of HCl.

Eq. of HCl =

1000

25×0.75

Eq. of CaCO

3

=

100

2×mass

Mass of CaCO

3

=0.9375g

Explanation:

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