Number 18 and 19 please 18 Which of the following solutions has the highest hydroxide-ion concentration...
Question 11 Which of the following solutions will have the highest concentration of chloride ions? O A 0.10 M NaCI O 0.10 M MgCl2 O C 0.10 M AICl3 O D0.05 M CaCl2 O E All of these solutions have the same concentration of chloride ions.
Which of the following solutions will have the highest concentration of fluoride ions? Which of the following solutions will have the highest concentration of fluoride ions? 0.10 M MgF2 0.10 M AlF3 0.10 M KF 0.05 M CaF2 All of these solutions have the same concentration of fluoride ions.
please help me with all the steps.
15. Which of the following mixtures would result in a buffered solution? a. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NaOH. b. Mixing 100.0 mL of 0.100 M NH3 (K5=1.8 x 10-5) with 100.0 mL of 0.100 M NaOH. c. Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH; (K =18x 10 %. d. Mixing 50.0 mL of 0.100 M HCl with...
Calculate the hva hydronium ion. the hydroxide ion concentration in a intration in an aqueous solution that contains 3.50 x 10-3 Min A) 2.86 x 10-12 M B) 2.86 x 10-4 M 20) At what pH is the A) 9.60 what pH is the amino acid glycine with a Ka of 2.51 x 10-10 sixty-six (66%) percent di B) 10.10 C) 10.60 C) 3.50 10-12 M 19) D) 2.86 * 10-11 M ST ANSWER. Write the word or phrase that...
will you show me how to do #18?
) Of the following substances, an aqueous solution of NH4CI Cu(NO3)2 K2CO3 NaF will form basic solutions. A) NH4CI, Cu(NO3)2 D) NaF, K2CO3 B) K2CO3, NH4CI E) NH4CI only C) NaF only Answer: D 17) A 0.1 M aqueous solution of NaOCI KCI NH4CI Ca(OAc)2 will have a pH of 7.0 at 25.0°C. A) NaOCI D) Ca(OAc)2 B) KCI E) KCI and NH4C C) NH4C Answer: B 18) What is the pH...
Question 8 Which of the following solutions would have the highest pH? Assume that they are all 0.10 M in acid at 25°C. The acid is followed by its K, value. O HOCI, 29 * 10-8 HC6H50, 1.3 * 10-10 o HNO2,4.6 104 HCHO2, 1.8 104 HCIO, 1.1x102 D Question 14 A few granules of manganese metal are placed in a solution of nickel(II) nitrate. Which of The following does not occur? o the manganese is oxidized to manganese ions...
9) Which one of the following pairs cannot be mixed together to form a buffer solutions A) KOH, HNO2 B) H2S03. KHSO3 C) HONH2, HONH3CI D) NaCI, HCI E) RbOH, HF 10) The Henderson-Hasselbalch equation is acid) acid] A) pH- pKa log basel base] D) pH - pKaobase [acid 11) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant Kp for A- A) A (aq) H30+ (aq) HA (aq) H20 0) B) HA (aq) + OH-(aq) 근...
00:31:58 10 11 12 13 14 Which of the following solutions will have the highest concentration of ions? O 1.0 M CaCl2 O 1.0 M sucrose O 0 O 1.0 M Na, PO4 1.0 M NHA 10 M NACI < BACK SUBMIT COMPLETED QUIZ
87.76% 0 90.01% 5 pts Question 5 Which of the following solutions contains the highest concentration of K ion? O 1.8 L of a 0.85 M KCl solution O 0.556 L of a 2.3 M KCl solution O 1L of a 1 M KCl solution O 0.114 L of a 1.85 M KCl solution
If we have 50 mL of a 1.0M sodium hydroxide solution and 50 mL of a 0.20 M iron (III) nitrate solution, what is the concentration of ions in each solution? Write the chemical, complete ionic and net ionic equations for the reaction. Chemical: Complete lonic: Net Ionic: What volume of 1.0M NaOH is required to precipitate all the Fe ions from 50. mL of a 0.20 M Fe(NO) solution? What mass of iron (II) hydroxide precipitate can be produced...