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Jina glass or wine with pH = 3.64? O 6.8 x 10-'M O 23x10-4M 4.4 x...
Question 29 3 pts Which is the strongest acid? o HBro, o H, Teo o HCIO, O H2SO3 D Question 30 3 pts What is the concentration of hydroxide ions (OH-Jin a glass of wine with pH -3.642 O 6.8 10-'M 0 23 10 M 0 4.410-4M O 6410-3M Question 31 3 pts Anacid solution with a concentration of 0.500 M has a pH - 321. What is the Ke of the acid 01210 7510*
What is the pH of a 0.400 M. solution of HF (Ka = 6.8 x 10-4)?
Determine the pH of 1.33 M LiF. For HF, Ka is 6.8 x 10^-4.
d) 1.7 x 10-4M ) 1.4 x 10' M 8. Find the pH of a 3.02 M HCL solution. a) 7.1 x 10M b ) 1.6 x 10-2M c)-0.48 M
Calculate the pH of a 6.8 x 10" M HCl solution. Report your answer to the hundredths place. pH= 6.77 What fraction of the total H* in this solution is from the HCI? Report your answer to the hundredths place. fraction:
What is the pH of a solution of 0.400 M CH3NH2 containing 0.180 M CH3NH31? (Kb of CH3NH2 is 4.4 x 10-4)
Determine the pH of a 0.10 M CH3NH3Cl solution. (Kb (CH3NH2) = 4.4 x 10-4) 2.18 11.82 5.82 8.17 3.36
Hydrofluoric acid has a Ka of 6.8 x 10-4. In this titration, 20.00 mL of 0.120 MHF is titrated against 0.080 M KOH. Calculate the pH when 40.00 mL of base has been added. 12.12 O 7.88 12.73 12.41
2. A buffer is prepared by partially titrating 50.00 mL of 0.964 M benzoic acid using 0.100 M NaOH until the pH is 4.80. Ka for benzoic acid is 6.3 x 10-5. (o)ce pts) What ratio of the conjugaite base-to-conjugate acid i equrd to establish p 4 (b) (1 pts) What volume of the titrant is required to achieve pH 4.80? (c) (2 pts) What are the final concentrations of the conjugate acid and conjugate base? 2. A buffer is...
A monoprotic acid (Ka = 4.31 x 10-5) has a partition coefficient of 4.4 in favor of octanol) when distributed between water and octanol. Find the concentration of the acid remaining in the aqueous phase when when 100 mL of 0.10 M aqueous solution of the acid is extracted with 27 mL of octanol at pH 4.00. a. 0.17 M b.0.546 M OC. 0.01 M o d. 0.0546 M