Скачать или смотреть Q 1.20 BACK EX. || Some Basic Concepts of Chemistry NCERT solutions CHEMISTRY Class 11 || RISHABH

IN THIS VIDEO YOU WILL LEARN HOW TO SOLVE NCERT BACK EXERCISE Q-1.20 FROM CHAPTER SOME BASIC CONCEPTS OF CHEMISTRY CLASS 11 BY RISHABH KAKKAR

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CHEMISTRY NCERT Solutions For Class 11

1.17 A sample of drinking water was found to be severely contaminated with chloroform, CHCl3, supposed to be carcinogenic in nature. The level of contamination was 15
ppm (by mass).
(i) Express this in per cent by mass.
(ii) Determine the molality of chloroform in the water sample.








NCERT Solutions for Class 11 Class XI

Introduction to Mole Concept

IIT JEE Chemistry PMT NEET IPUCET EAMCET

By RISHABH KAKKAR

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