Question

the concentration of copper sulfate (CuSO4 (159.609g/mol)) solution is 0.042M. what volume (in
mLs) contains 0.15 grams of CuSO4?

Answer 1

Answer:

Explanation:

Concentration is molarity.

Molarity = number of moles of solute / volume of solvent in L

number of moles is not given so, we are going to use this formula

Moles = Mass / molar mass

Moles = 0.15g / 159.609g/mol

Moles = 0.00094 moles

now substitute in the first formula:

Molarity = number of moles of solute / volume of solvent in L

Molarity = 0.042M

Moles = 0.00094 moles

0.042 = 0.00094 / Volume in L

Volume = 0.022 L

L to mls we have to multiply by 1000

So 0.022 L = 22.38 mls

final answer: 22.38 mls