Biology, asked by menesinendongo, 9 months ago

prepare 200ml of a 0.2M NaCl solution, what is the mass of NaCl you will need

Answers

Answered by hirthickrajan73

1

Answer:

mass of nacl = 2.34g

Explanation:

volume=200ml

molarity=0.2M

molarity= (mass of given compound/gram molecular mass)×(1000/volume in ml)

0.2=(gn.wt/58.5)×(1000/200)

therefore

=0.2×11.7

mass of nacl=2.34g

Answered by mahi1012

0

Answer:

very good question but not

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