Question
Download Solution PDF100 mL of a water sample contains 0.81 g of calcium bicarbonate and 0.73 g of magnesium bicarbonate. The hardness of this water sample expressed in terms of equivalents of CaCO3 is: (Molar mass of calcium bicarbonate is 162 g.mol-1 and magnesium bicarbonate is 146 g.mol-1)
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
The basic formula of Parts per Million is:
The degree of hardness and the weight are interrelated. Thus,
Calculation:
∴ Degree of hardness=1
Now,
∴ PPM = 10000 ppm
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