Water treatment plants commonly use chlorination to destroybacteria. A byproduct

Question

Water treatment plants commonly use chlorination to destroybacteria. A byproduct is chloroform (CHCl3), asuspected carcinogen, produced when HOCl, formed by reaction ofCl2 and water, reacts with dissolved organic matter. TheUnited States, Canada, and the World Health Organization have set alimit of 100. ppb of CHCl3 in drinking water. Convertthis concentration into molarity, molality, mole fraction, and masspercent.

However in my assigned problems I need only to convert to molality(m). So please show only steps necessary to do that and avoid otheruncessary conversions.

If needed these are the correct answers so you can check your work.I've tried working this one out, but I don't see how to do it.
Mass percent: 1.00 x10-5%
1.98 x10-6 M
1.98 x10-6 m
X= 3.57 x10-8

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