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A sample of well water contains 140 gm m3 Ca2+ ions...

This question belongs to Chemical Engineering Stoichiometry
Stoichiometry
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A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca : 40, Na : 23, C : 12, O : 16)

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Correct Answer: Option A
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Otsoga John
Otsoga John 5 years ago
How, please show the working
Himanshu Singh
Himanshu Singh 8 years ago
How
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A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca : 40, Na : 23, C : 12, O : 16)
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