One litre of sample of hard water contains 1 mg of and 1 mg of

CHEMISTRY · Subjective · ISC · Chemistry · Some Basic Concepts of Chemistry · Some Basic Concepts of Chemistry

Problem

One litre of sample of hard water contains 1 mg of

\text{CaCl}_2

and 1 mg of

\text{MgCl}_2

. Find the total hardness of water in terms of

\text{CaCO}_3

per

10^6

parts of water by mass.