What mass of NaCl is needed to prepare 200. mL of 0.200 M solution. Fill in...

Question

Question

What mass of NaCl is needed to prepare 200. mL of 0.200 M solution. Fill in the following table:

science chemistry

Answer 1

Answer #1

we know

molarity = (mass / molar mass) * (1000 / volume of solution)

0.2M = (mass / 58.5)*(1000 / 200 ml)

then mass of NaCl is needed = 2.34 grams

Answer 2

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