Chemistry, asked by aayushnbj, 1 day ago

a water sample contains 408mg of caso4 calculate the hardness in terms of caco3 equilants

Answers

Answered by 9043237933ramesh

1

Answer:

CaCO3 equivalents =

Weight of Caso4 ÷ Equivalent weight of Caso4 × Equivalent weight of CaCO3

=408×50÷68

= 300 mg/L

= 300 ppm

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