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A solution containing 9.15 g of calcium nitrate is added to a solution containing 9.15 g of potassium phosphate. What is the theoretical yield of the precipitate in grams? Report your answer rounded to the hundredths of a gram.
Calculate either [H, 0+1 or [OH-] for each of the solutions. Solution A: [OH-] = 1.61 x 10-7M Solution A: [H,0+1 = M Solution B: M Solution B: [OH-] = [H, 0+1 = 9.15 x 10-'M M Solution C: [H,0*] = 5.55 x 10 “M Solution C: [OH-] = Which of these solutions are basic at 25 °C? A: [OH-] = 1.61 x 10-7M B: [H, 0+1 = 9.15 x 10-'M C: [H,0*1 = 5.55 x 10-4 M The due...
A compound is 54.53 % C, 9.15% H, and 36.32% O by mass. What is its empirical formula? Insert subscripts as needed. empirical formula: CHO The molecular mass of the compound is 132 amu. What is its molecular formula? Insert subscripts as needed. molecular formula: CHO
A compound is 54.53% C, 9.15% H, and 36.32% O by mass. What is its empirical formula? Insert subscripts as needed. empirical formula: CH 0 The molecular mass of the compound is 132 amu. What is its molecular formula? Insert subscripts as needed. molecular formula: 44
Calculate [OH] for a solution where [H, O+] = 0.00605 M. [ОН ] %3 М
Problem 2. (15pts) Calculate the concentration of H,O* in 0.1 M solution of a weak diprotic base B. pKo, 5, pKa2-9 Grade oe Final Answer e prese Problem 3. (15pts) Calculate the concentration of A2 in a 0.1M solution ofa diprotic acid H A with pK, 4 and pK8 Grade Final Answer
Calculate either [H,O+] or [OH^] for each of the solutions. Solution A: [OH-] = 2.45 x 10-7M Solution A: [H,Ot] = M Solution B: [H, 0+1 = 8.21 x 10-'M Solution B: [OH-] = M Solution C: [H, 0+1 = 6.17 x 10-4 M Solution C: [OH-] = M Which of these solutions are basic at 25 °C? A: [OH-] = 2.45 x 10-7M B: [H,0+1 = 8.21 x 10-'M C: [H0+] = 6.17 x 10-4 M
9.15 9.14* It has been found that in a certain solution, the activity a-XA over a certain range of composition. Determine the relationship between aB and Хв over the same range of composition 9.15* All regular solutions with positive heats of mixing have the same value of the activity of its components (A or B) at the critical point of the miscibility gap. a. Calculate this activity. b. Plot temperature versus ag for a regular solution miscibility gap. 9.14* It...
3&4 please! Question 3 Based on the ion-product constant (Kw), calculate the concentration of H+ ions if the concentration of OH-ions is 2 x10^(-7) M. (1 point)* O 1x10^(-14) M O 2x10^(7) M 5 x10^(-8) M None of the above Question 4 Calculate the pH of a solution if the concentration of H+ is 2.67 x10^(-5) M (1 point) * O 11 4.57 O 7 None of the above
4) A solution is prepared by dissolving 15.2 g of NaC,H,O, into water. The concentration of the solution is measured at 1.95 M. Calculate the volume of the solution (in Liters): (5) (MM NaC,H,O,: 82.03 g/mol) 5) Common intravenous (IV) glucose solutions are prepared as 5.0 % mlv glucose. How many mililiters of solution are present in an IV bag that contains 39 grams of glucose? 6) Two solutions are prepared. The first contains glucose (C.H.O.) dissolved in water at...