Determining the ph of a solution
Question: What is the pH of a solution containing 0.010 HCl plus 0.040 KClO4 with an activity coefficient of [H+] = 0.86?
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Pure gold has a density of 19.32 g/cm3. How large would a piece of gold be if it had a mass of 318.97 g
Calculate the pH of a solution formed by mixing 40.0ml of 0.1000 M HCl with 39.95ml of 0.1000 M NaOH and then diluting the entire solution to a total volume of 100ml.
Consider an amphoteric hydroxide, M(OH)2(s), where M is a generic metal. M(OH)2 --> M^(2+0 +2OH^(-) Ksp= 5x10^(-16) M(OH)2 +2OH^(-) --> M(OH)4^(2-) Kf= 0.07. Estimate the solubility of M(OH)2 in a solution buffered at pH = 7.0, 10.0, and 14.
Residents of a town of maplegrove who are connected to the municipal water supply are billed a fixed amount plus a monthly chare for each cubic foot of water used. A household usin 1000 cubic feet was billed $40 while a house using 1600 cubic feet
You mix 2.0 mL of 0.50 M Cu(NO3)2 with 5.0 mL of 0.50 M KI, and collect and dry the CuI precipitate. Calculate the following:
what is the mass of CO2 exhaled with one breath. Assume T = 37oC. b. Glucose (180.16 g mole-1) is oxidized to CO2 according to the equation C6H12O6 + 6 O2 ? 6CO2 + 6H2O. What mass of glucose is oxidized per breath exhaled
A certain weak base has a Kb of 7.30 × 10-7. What concentration of this base will produce a pH of 10.07
The rate law is : Rate = k [ I-]^a [ BrO3 -]^b [H+]^c Reaction time in run number 1 31 Reaction time in run number 2 31 Reaction time in run number 3 15 Reaction time in run number 4 15 Calculate the following The k in the rate law The activation
The KHP you used had not been dried. b) When filling the buret with NaOH you left a air bubble in the buret tip.The bubble was released during your first KHP titration.
A solution of Ba(OH)2 is standardized with potassium acid phthalate (abbreviated KHP), KHC8H8O4 (M = 204). If 1.530 g of KHP is titrated with 34.50 mL of the Ba(OH)2 solution, what is the molarity of Ba(OH)2? a. .0217 M b. .0435 M c. .109M c. .217
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