45.0 g of Ca(NO3)2 are used to create a 1.3 M solution. What is the volume of the solution

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03-04-2018
Chemistry

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45.0 g of Ca(NO3)2 are used to create a 1.3 M solution. What is the volume of the solution

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transitionstate transitionstate · Answer 1 · 2018-04-12T18:31:04+02:00

As we know that Molarity is given as,

M = moles / V
Solving for V,
V = moles / M ------------------(1)
Also, moles is equal to,
moles = mass / M. mass -------------(2)
puting value of moles from eq. 2 into eq. 1,
V = (mass / M.mass) / M
Putting values,
V = (45 g / 164 g/mol) / 1.3 mol/dm³

V = 0.21 dm³