![Here, ple)= 4.0x10-5m. : so, pora -log(04) = -log 14.0x10*)=4.4 Now, PH+ POH = 14 PHE 14-4.4 ApH=9.6] Now, pH = -log[H30+] [](http://img.homeworklib.com/questions/6da3edc0-d36e-11ea-ad3e-abc6c2a69824.png?x-oss-process=image/resize,w_560)
Q2) A solution has a [OH-] = 4.0x108m. What are the [H₃O+] and the PH of...
Q1 Complete the following table: [H3O+] [OH-] pH Acidic, Basic, or Neutral? 2.0 · 10-5 1.0 · 10-7 10 3.5 Q2 A solution has a [OH‑] = 1.5·10-10 M. What are the [H3O+] and the pH of the solution? Q3 A sample of 0.0084 mol of HCl is dissolved in water to make a 3000 mL solution. Calculate the molarity of the HCl solution, the [H3O+] and the pH. For a strong acid such as HCl, the [H3O+] is the...
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...
QUESTION An acidic solution O a contains more OH than Hgo Ob. contains only Hzot and no OH o contains more Hzot than OH od contains only OH' and no H307 QUESTION 4 HCl(aq) is a strong acid. This means a HCl is 100% dissociated in water. b. HCl is miscible in water. c. HC reacts with everything. od HCl(aq) always has a pH of 1. QUESTION 5 Which of the following mixtures can produce a buffer? O a. A...
Q3 A sample of 0.0084 mol of HCl is dissolved in water to make a 3000 mL solution. Calculate the molarity of the HCI solution, the [H3O') and the pHl. For a strong acid such as HCI, the (HO) is the same as the molarity of the HCl solution HCl(aq) + H2O(1) H0 (aq)+CH (4) Q6 What are pH ranges for different body fluids (saliva, stomach, small intestine and colon fluids)? Q7 What are three mechanisms of pH maintaining in...
an aqueous solution of Ca(OH)2 with a concentration
Ca(OH)2(ag)+2HC1 (aq)CaCl, (ag)+H,O() An aqueous solution of Ca(OH)2with a concentration of 0.164 M was used to titrate 25.00 mL of aqueous HCI. 16.53 mL of the Ca(OH)2was required to reach the endpoint of the titration. ACID-BASE TITRATIONS Introduction Pt A titration is the sequential addition of reactant to a solution containina other Part 1 (1 point) How many moles of base were required to react completely with the acid in this reaction?...
a. Calculate the pH of the solution if 2.3 x 10-3 moles of Sr(OH)2 is dissolved in 250 mL of water? b. Calculate the pH of a 3.0000 M solution of NaOH? c. Calculate the pH if 6.5 g of HCl(g) are dissolved in 200 mL of water?
You
have 6.83 g of Alanine-HCl (MW= 125 g/mol). It is dissolved in 50
mL of water. You take 40 mL of the solution and add 15.0 mL of 6M
NaOH. What is the pH?
H Alanine • Cl(s) H Alanine (aq) + H2O(1) HAlanine(aq) + H2O(1) = HAlanine" (aq) + cr' (aq) HAlanine(aq) + H30*(1) Alanine" (aq) + H30*( Ka = 4.53 <10-3 Ka = 1.36 x 10-20
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...
please help!! thank you
Calculating pH, POH, (OH) and (H30*] 2) A solution of HC2H2O2 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 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). [H30*)
What is the pH of a solution that has a poH = 7.29? Numeric Answer: O Cannot be empty What is the pow of a solution that has a pH = 7.29? Numeric Answer: Unanswered . 2 attempts left Submit What is the resulting pH of a solution made by mixing 10.0 mL of an HCl(aq) solution having a pH of 1.00 with 10 mL of an HCl(aq) solution having a pH of 5.00? Numeric Answer: Unanswered • 2 attempts...