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What is the pH of a solution that has a poH = 7.29? Numeric Answer: O...
What is the resulting pH of a solution made by mixing 10.0 mL of an HCl(aq) solution having a pH of 2.00 with 10.0 mL of an HCl(aq) solution having a pH of 6.00? Numeric Answer: Unanswered • 2 attempts left Submit Calculate the pOH of a 7.0E0 M NACH3CO2 (aq) solution. The Ke of acetic acid is 1.8x10-5. 0 Respond with the correct number of significant figures in scientific notation (Use Enotation and only 1 digit before decimal e.g....
is the pH and pOH of the acid solution with [H'] = 0.38 M? What is the [H30") and TOH concentration of an acid solution with pH = 5.5? 3. How many liters of 0.186 M of NaOH(aq) contain 0.135 mol of NaOH? If 0.123 g NaOH is dissolved in enough water to make 250.0 mL of solution, what is the molarity (M) of the sodium hydroxide solution? If 2.00 mL of 0.456 M NaOH is diluted to exactly 100...
ok so i keep getting these wrong idk why but im doing them write you find the poh then subtract from 14 right? or is it just the poh 10/31/19 1:28 PM 1171/19 11:59 PM Completed core 20 out of 100 points sed 30 minutes out of 1 hour stion 1 You add 5.00 ml of 0.400 M NaOH to 5000 mL of pure water, and to this mixture you then add 11.00 ml of 0 700 M HCL What...
a solution has a POH at 6.50 at 50° C what is the Ph of the solution given that K=6.22 X 10-15 please explain HOW too Use pOH in calculations Question A solution has a pOH of 6.50 at 50°C. What is the pH of the solution given that Kw 6.22 x 10-15 1 at this temperature? Round the answer to two decimal places. Provide your answer below: pH
answer with two sig figs scientific notation QB 15.10 Level 1 Homework. Unanswered In an aqueous solution, if the [OH-] is 7.5E-9 M what is the [H30+)? 0 Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105) Numeric Answer: Unanswered . 2 attempts left Submit In an aqueous solution, if the [H3O+] is 7.1E-9 M what is the [OH-]? Respond with the correct...
a. Calculate the pH of 200 mL of a 1.50 M solution of HCl? b. What mass of LiOH must be added to 750.0 mL of 0.0550 M HCl to produce a solution having a pOH of 11.500? c. A chemist had 2.000 L of a 0.00120 M KOH solution. What mass of HCl(g) would have to be added to the KOH solution to produce a solution having a pH of 10.875?
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 1.23x10-6 MH* what is the concentration of OH? (show your work). (OH) 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). 5) A solution is 0.000037 M in...
An aqueous solution has a pOH of 4.41 (1) What is the pH of this solution? (2) What is the hydroxide ion concentration in this solution? (3) What is the hydrogen ion concentration in this solution? An aqueous solution has a pH of 4.41 (1) What is the pOH of this solution? (2) What is the hydroxide ion concentration in this solution? (3) What is the hydrogen ion concentration in this solution? An aqueous solution has an hydroxide ion concentration...
What is the pH of a buffer prepared by mixing 20.00 mL of 0.0300 M ammonium chloride with 40.00 mL of 0.0450 M ammonia? What is the resulting pH if 1.00 mL of 0.10 M HCl is added to this solution?
What is the pH of a solution made by mixing 30.0 mL solution of 0.313 M NaOH with 30.0 mL of 0.223 M HCl?