Given:
pOH = 5.640
use:
PH = 14 - pOH
= 14 - 5.640
= 8.360
Given:
pH = 8.360
use:
pH = -log [H3O+]
8.360 = -log [H3O+]
[H3O+] = 4.37*10^-9 M
Answer: 4.37*10^-9 M
What is the (H30*) for a solution at 25°C that has pOH = 5.640? Multiple Choice...
What is the [H3O+] for a solution at 25°C that has pOH = 5.640? A. 2.34 x 10-4 M B. 2.29 x 10-6 M C. 4.37 x 10-9 M D. 4.27 x 10-11 M E. 8.360 M
Question 6 Not yet answered Marked out of 1.00 Flag question What is the [H30*j for a solution at 25°C that has pOH = 5.640? Select one: -11 a. 4.27 x 10 M b. 8.360 M _9 c. 4.37 x 10 M -6 d. 2.29 x 10 M -4 e. 2.34 x 10 M
What is the [OH-] for a solution at 25°C that has [H30+1 = 1.15 x 10-4 M? Multiple Choice О 0.869 10-10 M O 1.26 10-10 M None of these choices are correct. О 1.26 x 10-5 M 0.869 x 10-15 M
52F%252Fims.mhedu Saved If the pOH of an orange juice sample is 10.38, what is the H30* concentration in the orange juice? Multiple Choice О 10.M 24*10-4 M 24*10-10 M < Prev 48 of 60 Next > search o E 40 & * 3 4 5 6 7 8 9
A) What is the pH for a solution at 25°C that has [OH-] = 1.9 x 10-10? B) What is the pOH for a solution at 25°C that has [H3O+] = 4.37 x 10-9?
This question has multiple parts. Work all the parts to get the most points. At 25°C, what is the hydronium ion concentration in a 0.180 M chloroacetic acid (K, (CICH2 COOH)= 1.36 x 10-3)? м b0.180 M sodium chloroacetate (K, (CICH2 COOH)= 1.36 x 103)? | Нз м C0.0100 M methylamine (K (CH3 NH2 ) = 4.35 x 104)? м o.0210 M methylamine hydrochloride (Kb (CH3NH2)= 4.35 x 104)? м е 2.80 х 10 3 м aniline hydrochloride (Kъ (CeHsNH>)-...
Saved Calculate the pH of a solution that has [H30*)= 1.0 x 10-6 M. Multiple Choice pH = 1.00 pH = 7.00 pH = 6.00 < Prev 45 of 60 !!! Next > search O PRE
Calculating pH, POH, (OH) and (H30*] 2) A solution of HC2H302 has a concentration of 0.00045 M H what is the pH of the solution? (show your work). pH 3) If a solution has a concentration of 1.23x106 M H what is the concentration of OH? (show your work). rolul brenovadonismo loob [OH-] vor of 4) An unknown solution of HNO3(aq) has a pH of 2.96. What is the concentration of H (aq) in solution? (show your work). [H3O*) 9
At 25 °C, a solution has a hydronium ion concentration of 6.20×10-9 M. What is the pH, pOH, and [OH-] of this solution?
4. What is the (OH) for a solution at 25°C that has pH = 5.0? 5. What is the [H3O+] for a solution at 25°C that has pOH = 3.4?