Chemistry, 30.11.2021 05:30 jorfos7683
Part B
Compare the mass of the magnesium strip from test tube 1 with the initial mass of the same strip measured in task 1,
part A. Is the mass the same, or is it different? If it's different, explain what may have caused the difference.
Answers: 3
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Using a value of ksp = 1.8 x 10-2 for the reaction pbcl2 pb+2(aq) + 2cl -(aq). if the value of ksp was determined to be only 1.2 x 10-2: too much solid has dissolved. additional precipitate is forming. the solution is unsaturated. the ions are now combining to reduce their concentrations.
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Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
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Part B
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