uestion 11 A 0.01 M solution of has a pH of 10.0. NaClO3, RbBr Na2S, KF...
QUESTION 13 _ has a pH of 7.0. A 0.1 M solution of Na2S KF NaNO3 O NH4Cl NaF
Question 11 (1 point) The pH of a aqueous solution is measured to be 10.0; what is the concentration of hydroxide fons (OH') in this solution at 298K - assuming Kw - 1x10-147 O 1x 10-10 M O 1.0 x 10-7M O 1 x 1010 M O 1.0 x 10-14 M 1.0 x 10-4 M
Which one of the following solutions has the lowest pH? A. a 0.1 M solution of formic acid, HCOOH (Ka = 1.8 x 10-4) B. a 0.1 M solution of ammonium chloride, NH4Cl(s) (Ka (NH4+) = 5.6 x 10-10) C. a 0.01 M solution of acetic acid, CH3COOH (Ka = 1.8 x 10-5) D. a 0.01 M solution of formic acid, HCOOH (Ka = 1.8 x 10-4) E. a 0.1 M solution of acetic acid, CH3COOH (Ka = 1.8 x...
10. Calculate the pH of a solution made by mixing 10.0 mL of 0.100 HCI and 15.0 ml of 0.100 M 11. Indicate each of the following aqueous solutions is acidic, basic, or neutral: KOH HI
Remaining Time: 1 hour, 33 minutes, 40 seconds. Question Completion Status: 12 15 13 10 11 14 9 8 7 4 5 6 3 2 1 Moving to the next question prevents changes to this answer Question 1 of 15 Question 1 8 points When 60.0 grams of an unknown compound are dissolved in 0.500 kg of benzene, the freezing point of the resulting solution is 126"C. The freezing point of pure benzene is 5.44°C, and the Kffor benzene is...
What is the (KOH) in a KOH solution that has a pH =12.00? 0.010 M 0.56 M 20M 20 x 10-12 M Moving to another question will save this response.
1x10ⓇM B 2x10 M 40 Normal gastric juice has a pH of about 2 and the gastric in is the concentration of HCl in the stomach? U10 M D 3x10 M of about 2 and the gastric juice is aqueous HCI. What 2 M HCI B 1.0x10' M HCI C 0.01 M HCI D 0.14 M HCI Ques. to, 41 Question What is the [H30'] of a sweat sample that has a pH = 5.8? A 2x10mm B3X10ⓇM 3x107M 42...
QUESTION A solution has [OH ]=59x 10-4 M. The pH of this solution is a. 5.39 b. 1.69 10-11 c 3.23 d. None of these e. 10.77 Caps Lock is on QUESTION 7 A solution has a pH of 3.99. The pOH of this solution is a. 3.99 b.4.09 c. 10.01 d. none of these e. 9.91
A buffer solution that is 0.482 M in CH3COOH and 0.482 M in CH3COONa has a pH of 4.74. The addition of 0.01 mol of H, 07 to 1.0 L of this buffer would cause the pH to The capacity of this buffer for added OH could be increased by the addition of 0.185 mol [Review Topics [References] Use the References to access important values if needed for this question. A buffer solution that is 0.482 M in CH3COOH and...
4. 50.0 mL of 0.00200 M Ca2 solution buffer at pH 10.0 is titrated with 0.00200 M EDTA. At equivalence point (i.e. 50.0 mL EDTA has been added), what is the equilibrium concentration of Ca2, [Ca2], and what is the pCa? The formation constant of CaY, Kaa 5.0 x 1010, and α4 of EDTA at pH 10.0 is 0.35
4. 50.0 mL of 0.00200 M Ca2 solution buffer at pH 10.0 is titrated with 0.00200 M EDTA. At equivalence point...