Calculate the pH of each of the following aqueous solutions: a. 2.17 x 103 M HCI b. 0.150 M HNO, 0.100 M NaHSO, d. H¿O e. 7.50 × 10 M NaOH f. 0.0500 M Ca(CN), g. 0.0500 M NH3 h. 2.50 x 103 M CH;COONA C.

Q: а. Calculate the pH of a 0.0813M solution of hydrogen sulfide (H2S) where: H2Stag) > H*(ag) + HS…

A: pH is defined as negative logarithm of hydrogen ion concentration and it is represented as  pH =…

Q: The pH of a 0.10-M solution of caffeine is 11.70. Determine Kb for caffeine from these data: C8H10…

A: The equilibrium reaction of caffeine is: C8H10 N4O2 (aq ) + H2O(l ) ⇌ C8H10N4O2H+(aq ) + OH−(aq )…

Q: Calculate the pH of the following substances a) 057 M HCl b) [H+] = 0.082M c) 250 ml of 0.005…

A: pH = -log[H+] pH +pOH =14

Q: 19) Calculate the pH of a solution (aq., 25 °C) prepared by dissolving 48.026 g of ammonium nitrate…

A: Given:   Mass of NH4NO3=48.026g   Molar mass of NH4NO3=80.043 g/mol   Volume =2.00L…

Q: dissociated H+H+ ions

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Q: Calculate pH of the following solutions: a) 0.25 M HNO3 in 0.065 M CH3COOH (K,=1.75x10). b) 0.33 M…

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Q: A 0.495M solution of nitrous acid, HNO2, has a pH of 1.83 a) Find the percent ionization of nitrous…

A:

Q: CH3NH2 is a weak base (?b=5.0×10^−4), so the salt CH3NH3NO3 acts as a weak acid. What is the pH of a…

A: CH3NH3NO3 → NO3- + CH3NH3+ Kb for the above reaction is 5x10-4  CH3NH3 can donate a proton and…

Q: Calculate the pH of a solution containing 0.20 g of NAOH in 2,000. mL of solution. 9.40 12.40 None…

A: Mass of NaOH = 0.20 g  Volume of NaOH = 2000 ml  pH of the NaOH solution = ?

Q: (a) Define Lewis acids and bases in the following equations: 1. FeBr3 (s) + Br– (aq) FeBr4– (aq) 2.…

A:

Q: A solution is prepared at 25 °C that is initially 0.083M in chlorous acid (HCIO,), a weak acid with…

A: Initial concentration of chlorous acid= 0.083 M Ka=1.1×10^-2 Concentration of sodium chlorite =0.065…

Q: Write the equations that represent the first and third ionization steps for phosphoric acid (H3PO4)…

A: We will explain all the asked questions

Q: 1) A conjugate acid is defined as 2) In the general ionization reaction: HX(aq) + H,0(1) H,0* +…

A:

Q: Calculate the pH of a solution that is prepared by dissolving 8.98 g LiF in enough water to make…

A:

Q: estion What is the pH of a 0.223 M LİNO2 solution at 25 °C (Ka for HNO2 = 4.0 × 104)? (the answer…

A:

Q: Which of the following is the pH of the solution containing 0.01 mol CH3COOH and 0.820 grams of…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: What is the pH of the solution obtained when 130 mL of 0.610 M NaOH is diluted to 16.0 L with water?…

A: Given: Initial concentration of NaOH = 0.610 M Initial volume of solution = 130 mL = 0.130 L…

Q: What is the pH of a solution made by mixing 35.00 mL of 0.100 M HCl with 40.00 mL of 0.100 M KOH?…

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Q: 4) Aniline, (C6H5NH2, Kh = 4.3 x 10-10 Determine the pH of an aniline solution made by dissolving…

A: Calculate the molarity of aniline,

Q: Calculate the pH of a solution that is made by dissolving 19.343 grams of Be(NO32 (M.M. 133.020…

A:

Q: What is the pH of a 0.250 M HOCI solution? K, of HOCI at 25°C is 3.5 x 10-8. O 7.46 O 4.03 O 3.57 O…

A: ​Given - - - >   Ka = 3.5*10-8   pH = 0.25

Q: Calculate the ph of a solution that is made by dissolving 6.45g of NH4Cl(53.49g/mol) in enough water…

A: First calculate molarity by mole/volume. Then use weak base concept to get pH

Q: Q49 (Ex. 13.6) In chemistry, the pH value . measure.. acidity. The pH value is defined by pH where…

A: pH :-  It is defined as the negative logarithm to the base 10 of hydrogen ion (H+ ion )…

Q: "HOUSEHOLD ACIDS AND BASES" Objective: Materials: To compare the pH values of various household…

A: Given : Table showing pH values To find : pOH, [H+ ] , [OH- ]  Solution : pH is defined as potenz of…

Q: When Cl, gas is added to water during the disinfection of drinking water, it hydrolyzes with the…

A:

Q: What is the pH of a soluti on prepared by dissolving 3.00 g of the weak acid HA (molar mass = 138.12…

A: The question is based on the concept of chemical equilibrium. we have to calculate pH of the…

Q: Calculate the pH of a 0.033 M Na2SO3 solution. pK1 = 1.66 and pK2 = 6.85 for sulfurous acid (H2SO3)…

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Q: Phosphoric acid, H, PO,(aq), is a triprotic acid, meaning that pKal pKa2 pKa3 one molecule of the…

A:

Q: Question 3?

A: Buffer solution contains a weak acid/base together with a salt of its common ion with a strong…

Q: The pk, for HCN(aq) is 9.21. What is the pH of a 1.245 M solution of NaCN? O a. 11.95 O b. 1.24 O c.…

A:

Q: Maleic acid (H2C4H2O4) is a diprotic acid with ?a1=1.20×10−3 and ?a2=5.37×10−7. Determine the pH of…

A: 1- First we will determine the H+ ion concentration :  Most H+ ion comes from first dissociation.…

Q: Amethocaine, C15H25N2O2Cl, is the salt of the base tetracaine and hydrochloric acid. The ionization…

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Q: Use information on the table below to determine which of the following bases would have the weakest…

A: Lowest Ka value indicates lowering the acid strength.

Q: What is the pH of a solution prepared by diluting 0.040 mol HNO3(aq) to a volume of 225 mL? (Hint:…

A: Molarity of HNO3 is calculated as follows, 1 mL = 0.001 L Molarity=No.of moles of soluteVolume of…

Q: Calculate the [H*'] for a .125 M solution of selenous acid - H,SeO, (a weak diprotic acid). Selenous…

A: The question is based on the concept of dissociation of acid. since first dissociation constant is…

Q: 25. (a) What is a Brønsted-Lowry acid? (b) What is a Brønsted-Lowry base? (c) Use the following…

A: HCO3-(aq) + S2-(aq) <.....>HS-(aq) + CO32-(aq) Acid- base concept has been given by…

Q: What is the pH of a 9.34 X CIO4 solutiön? (the answer should be entered with 3 significant figures;…

A:

Q: dissociated H+H+ ions

A:

Q: Find pH of a solution prepared by dissolving 3.0 g of Ca(OH)2 in enough water to make 590 ml…

A: Given :-  Amount of Ca(OH)2 = 3.0 g  Molar mass = 74.1 g.mol-1  Volume of solution = 590 mL  To…

Q: A solution is prepared at 25 °C that is initially 0.39 M in methylamine (CH,NH,), a weak base with…

A: Since the solution is made using weak base CH3NH2 and its salt CH3NH3Cl Hence the solution will be a…

Q: The pH of a 0.10-M solution of caffeine is 11.16. Determine Kb for caffeine from these data: C8 H10…

A: Given: pH of a caffeine= 11.6 [solution] = 0.10 M To find pOH, we calculate [OH-] = 10-pOH pOH =…

Q: 0 015 20.01" 12.48=PH c. A certain solution has an [H+] concentration of 10° M. What is the [OH-]…

A: c) given that,  Concentration of [H+] in the solution = 10-9 M Concentration of [OH-] in the…

Q: Calculate the ph of a solution that is prepared by dissolving 8.57 NaC2H3O2(82.03g/mol) in enough…

A:

Q: What is the pH of a solution prepared by dissolving 1.00 g of the weak acid HA (molar mass = 138.95…

A: The question is based on the concept of pH of the solution.   it is defined as a negative logarithm…

Q: Q6) 200 ml , o.0ol M NAOH is udded to 30oml, o.0005 M HCL. what is the PH of the Soluution ? Ans. :…

A: The balanced Chemical Reaction between HCl and NaOH is - HCl + NaOH ----> NaCl + H2O Here, one…

Q: 5. A solution is prepared by adding 1.00 x 1013 mole of strong base NaOH to 1.00 L of aqueous…

A: Here we are required to find the pH of NaOH solution

Q: Calculate the pH of an aqueous KOH solution that is made by dissolving 654 mg of solid KOH in enough…

A:

Q: What is the pH of a solution prepared by dissolving 8.13 grams of NaCN (49.01 g/mol) in 1.4 L of…

A: Given,  The pH of a solution prepared by dissolving 8.13 grams of NaCN (49.01 g/mol) in 1.4 L of…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.