You visited us 1 times! Enjoying our articles? Unlock Full Access!

Heavy Water

Hardness of w...

Question

Hardness of water is expressed in terms of parts per million of calcium carbonate. A sample of water contains $0.02 %$ of calcium carbonate, hardness of the sample is

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
Mass of $C a C O_{3} = 0.02 g$
Mass of solution = 100g
concentration in ppm = $\frac{mass of solute}{mass of solution} \times 10^{6} = \frac{0.02}{100} \times 10^{6} = 200 p p m$

Suggest Corrections

Similar questions

C a C O_{3}

162 g m o l^{- 1}

146 g m o l^{- 1}

C a C O_{3}

If a sample of water contains 68 ppm of Calcium Sulphate, what would be the hardness of the water?

C a C l_{2}

M g C l_{2}

C a C O_{3}

10^{6}

C a C l_{2}

M g C l_{2}

C a C O_{3}

10^{6}

Join BYJU'S Learning Program