A solution of 655 mL of 0.852 M CO(NH2)2 is mixed with a solution of 432 mL of 0.487 M CO(NH2)2. It is then evaporated on a hotplate to a volume of 825 mL. What is the molarity of CO(NH2)2 in this final solution? [Be aware that evaporation only changes the amount of water, not the amount of CO(NH2)2, because the boiling point of CO(NH2)2 is nearly 200 °C, too high to evaporate out of the solution to a significant extent].
A solution of 655 mL of 0.852 M CO(NH2)2 is mixed with a solution of 432 mL of 0.487 M CO(NH2)2. It is then evaporated on a hotplate to a volume of 825 mL. What is the molarity of CO(NH2)2 in this final solution? [Be aware that evaporation only changes the amount of water, not the amount of CO(NH2)2, because the boiling point of CO(NH2)2 is nearly 200 °C, too high to evaporate out of the solution to a significant extent].
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter4: Chemical Reactions
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Problem 4.111QP: A stock solution of potassium dichromate, K2Cr2O7, is made by dissolving 84.5 g of the compound in...
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A solution of 655 mL of 0.852 M CO(NH2)2 is mixed with a solution of 432 mL of 0.487 M CO(NH2)2. It is then evaporated on a hotplate to a volume of 825 mL. What is the molarity of CO(NH2)2 in this final solution? [Be aware that evaporation only changes the amount of water, not the amount of CO(NH2)2, because the boiling point of CO(NH2)2 is nearly 200 °C, too high to evaporate out of the solution to a significant extent].
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