Question text an excess agno 3 was added to a limited

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Question textAn excess AgNO3was added to a limited amount of Na2S to form solid Ag2S. The primaryadsorbed ion is:a. S2b. Na+c. NO3d. Ag+FeedbackThe correct answer is: Ag+
Question7Complete
Mark 1.50 out of 1.50Question textA primary standard must fulfill the following requirements Except :
QuestionCompleteMark 1.50 out of 1.50Question textTo prepare 500mL of 0.2M of AlPO4(122 g/mol) you need to dissolve -------------g of AlPO4primarygrade solid and dissolve it in a solution of the mentioned volume8Feedback
The correct answer is:12.2QuestionCompleteMark 1.50 out of 1.50Question textCalculatethe equilibrium molar concentrationof weak acid HA in an aqueous solution thatcontains 0.65 mol of the acid in 100 mL solution. (The acid HA is 67% ionized in water).9
Question10CompleteMark 1.50 out of 1.50Question textOne of the following can affect the particle size by increasing Q:a. Dilute solutionsb. Elevated temperaturec. Fast additiond. Slow additionFeedbackThe correct answer is: Fast addition
Question11CompleteMark 5.00 out of 5.00Question textFor the following results (17.40, 15.50, 16.10, and 15.60) with a standard deviation of0.87.

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Term
Spring
Professor
Bell
Tags
0 3 m, 3 m, 35 5 g, 2 91 m, 2 145 M

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