please help with 5&6!! thank you 5) A solution is 0.000037 M in H30*. What is the pOH of the solution? (show your work). рон 6) A stock solution of HCl is 11.50 M, if 15.29 ml of the stock solution is diluted with water to a total volume of 5.000 L what is the pH, OH, (H30*), and (OH) at 25°C of the new (dilute) solution? (show your work). pH : рон: (H30*): (OH):
17 H3PO4H20S H2PO4 + H30 Phosphoric acid is a triprotic acid in water, ionizing in the following sequential steps: K 7.11 x 103 K6.32 x 108 к, 3 4.5 х 10 13 = H2PO4H20S HPO42- + H30* НРО,- + H20 S PO3-+ H;0* What is the pH ofa 0.20 M H3PO4 solution? A. 2.84 В. 1.46 С. 2.15 D. 4.09 E. 5.37
Find linearization of f(x) = 3x + 6 - at x = 6. х (A) L(x) = 17 -(x – 6) + 18 6 17 (B) L(x) = 6 (x – 6) – 18 (C) L(x) = 17 (x – 6) – 18 6 17 (D) L(x) = -5(x – 6) + 18
6. Draw the product for each step of the reaction. (#points each) 1. Phli 2. H30* TBAF Br HOOH TSOH Dean-Stark app Page 5 of 10 Name: PCC 1. (CH3)2Culi 2. H30* 1. PhMgBr 2. H30* (d) PPh light n-Buli Name: Page 6 of 10
Which reaction represents an acid-base neutralization reaction? Multiple Choice NaOH + H20 - H30+ + Nao- O HNO2 + H20 - H30* + NO2 o Be(OH)2 + H2S04 - BeSO4 + 2H20 Ba(OH)2 + 2LICI — BaCl2 + 2LIOH < Prev 6 of 17
Consider the buffer solution: HNO2(aq) + H2O(l) + NO2 (aq) + H30+(aq) • What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?
QUESTION 6 What is the pH of a solution with a hydronium (H30) concentration of 6.3 * 10-5 M.
3, L-17 GR.50 STEEL 3, L-17 GR.50 STEEL
[H30+] and [OH-] In Solutions OH 4x 10-12 M (OH 3x 10 M L но 8 x 10-10 M (OH 7 x 10-13 M OH [- но! 4 x 10-2 M 8 x 10 M он 1 6 x 10-3 M 1 x 107 M [ но Acidic Neutral Basic
Consider the buffer solution: HNO2(aq) + H2O(l) + NO2 (aq) +H30+(aq) What happens to the concentrations of HNO2 and NO2 when a small amount of acid is added to the solution?