![k ] Incorrect. If the molar solubility of lead(II) chloride is 1.6E-2, what mass of solid lead(II) chloride dissolves in 366](http://img.homeworklib.com/questions/a3948560-feaf-11eb-b525-85fff203b204.png?x-oss-process=image/resize,w_560)
Homework Answers
(1) Given solubility of lead(II) chloride,PbCl2 is 1.6x10-2 mole/L
That means 1L=1000 mL of solution contains 1.6x10-2 mole x ( 278.1g/mole) = 4.45 g of PbCl2
366 mL of the solution contains (366x4.45)/1000 = 1.628 g of PbCl2
(2) Given solubility of Magnesium carbonate,MgCO3 is 2.6x10-3 mole/L
That means 1L=1000 mL of solution contains 2.6x10-3 mole x ( 84.3 g/mole) = 0.219 g of MgCO3
366 mL of the solution contains (366x0.219)/1000 = 0.08 g of MgCO3
(3) Given solubility of Nickel hydroxide,Ni(OH)2 is 5.2x10-6 mole/L
That means 1L=1000 mL of solution contains 5.2x10-6 mole x ( 92.7 g/mole) = 4.82x10-4 g of Ni(OH)2
366 mL of the solution contains (366x 4.82x10-4 )/1000 = 1.76x10-4 g of Ni(OH)2
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3.59
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