Calculate milli equivalent of washing soda required to remove its hardness from one litre hard water contains 18.00 mg M g 2 +

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

Calculate milli equivalent of washing soda required to remove its hardness from one litre hard water contains 18.00 mg

M g^{2 +}

ChemistrySome Basic Concepts of ChemistryJEE Main

Solution:

2190 Upvotes Verified Answer

The correct answer is: 1.5

Meq of

M g^{+ 2} \equiv

Meq of washing soda

\frac{W}{E} \times 1000 = M g^{+ 2}

;

E W = \frac{24}{2} = 12

\frac{18 \times 1 0^{- 3}}{12} \times 1000 = 1.5

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play