1.0 M BHNO3 solution has a pH of 3.55. Calculate the Kb of B. Assume a temperature of 25°C

Q: H+] = 2.575 x 10^-5 M; calculate pH

A: As we know pH is given by pH = -log[H+]

Q: Calculate the pH of 0.40 M NH3 (Kb=1.8×10−5) Calculate the concentration of NH3 present in 0.40 M…

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Q: This is Avogadro’s number  6.02 X 1023 What is its log10?   If you have Avogadro’s number of…

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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: 1. Calculate the pH of the solutions described below and specify if they are acidic, basic, or…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: Ascorbic acid (H2C6H6O6; H2Asc), known as vitamin C, is a diprotic acid (Ka1 = 1.0x10-5 and Ka2 =…

A: Given: The concentration of ascorbic acid (H2Asc) is 0.050 mol/L. The dissociation constants of…

Q: Determine the pH of the following solutions, using the information provided a) 1.25 ×10–3 M HNO3…

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Q: Determine the Kb of a weak base if a 0.19-M aqueous solution of the base at 25⁰C has a pH of 10.88

A: The question is based on the concept of equilibrium. we have been given a weak base  whose PH and…

Q: Consider a solution where 1.00 grams of PrCl3 (praseodymium (III) chloride) is dissolved in enough…

A: Given,  Mass of PrCl3 = 1.00 g Volume in mL = 50.00 mL  a). Calculate the pH of the solution. b).…

Q: A solution has a pH of 3.55.  calculate the pOH calculate [H3O+]  calculate [OH-] Determine whether…

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Q: Calculate the pH of a solution prepared by dissolving 0.270 mol of formic acid (HCO2H) and 0.230 mol…

A: Since formic acid is a monoprotic weak acid and the solution is having weak acid and its conjugate…

Q: 0.10 moles of an acidic substance A is dissolved in water to form a 1.0L solution. Kw = 1.00x1014.…

A: Solved in details in step 2.

Q: Compounds containing nitrogen are often weak bases. One example is aminoethanol, which has the…

A: The relation between pH and pOH: pH= 14 - pOH

Q: What is the pH of a 3.21 ×10 -2 M solution of KOH?   1.49 9.97 12.5 6.97

A: Given, Concentration of the KOH solution = 3.21 ×10 -2 M  pH of a 3.21 ×10 -2 M solution of KOH = ?…

Q: pH pOH [H*] [OH]] Acidic, Basic or Neutral? a. Solution 9.60 a M M pH РОН [H*] [_HO] or Neutral?…

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Q: Given that Ka for HCN is 6.2×10−10, calculate Kb for CN-. Express your answer to two significant…

A: 1- First question, Calculate the value of Kb for weak base CN- ion :  We know that, Kb × Ka = Kw  Kb…

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: What is the pH of 0.174 M HNO3 solution

A: Given :- concentration of HNO3 Solution = 0.174 M  To calculate :- pH of solution

Q: What is the pH of a solution that contains [OH-] = 0.0010 M? a. 3.00 b. 5.00 c. 11.00 d.

A: The question is based on the concept of PH. pH is defined as negative logarithmic of hydronium ion…

Q: Part 1 Calculate the pH of a solution in which (HO)- 4.26x10 M. Give your answer to two places after…

A: We know that, pH is the negative logarithm of hydronium ion concentration. i.e.,…

Q: Determine both the H and the pH in a 0.0541 M solution of HNO3 at 25 °C? H= Type your answer here…

A: The concentration of HNO3 solution = 0.0541 M HNO3 → H+ + NO3− The concentration of H+, [H+] =…

Q: Ethylamine (C2H5NH2) has a Kb value of 4.5x10–4. Calculate the pH of a solution that is 0.00789 M…

A: Interpretation - To calculate the pH value of the 0.00789 M ethylamine solution when ethylamine…

Q: Strong Acids; Calculate pH [HA]o [H;O"] PH Step 1 Calculate [H3O"] based on the fact that strong…

A: given equation, HClO4(aq) + H2O(l)→ ClO4-(aq) + H3O+(aq) HClO4 is a strong acid with initial…

Q: A chemist dissolves 325. mg of pure potassium hydroxide in enough water to make up 50. mL of…

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Q: Calculate the pH of a formic acid solution that contains 1.42% formic acid by mass. (Assume a…

A: Molarity of formic acid, C = moles of solutevolume of solution = 1.42 x 1.01 x 100046 x 100 = 0.312…

Q: Calculate The PH Of 0.10M Na2C2O4

A: pH is a measure of acidity or basicity of a solution. A solution with pH less than 7 is considered…

Q: b) Weak Acids and Bases HC H3O2 solutions Solution NH3 solutions Solution Molarity pH Molarity pH…

A: Solution : pH       pH is a quantitative measure for the acidity or basicity of the solution. This…

Q: calculate the pH a solution prepared by adding 20.0 mL of 0.020 M NaOH to 0.10 M Na3AsO4.

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Q: Acetic acid (HC2H3O2) is a weak acid (Kg 1.8 x10). Calculate the pH of e 17.6 M HC2H3O2 solution. 1…

A: Acetic acid is a weak acid which dissociates partially .Alpha is degree of dissociation.

Q: Maleic acid (H,C,H,O,) is a diprotic acid with Kal = 1.20 × 10-3 and Ka2 = 5.37 × 10-7. Determine…

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Q: Calculate the pH of a 0.20 mol L solution of KCN. Express the pH numerically to two decimal places.…

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Q: If the pH of lake water falls below 5.0, it is considered as “dead”. Taal lake has a concentration…

A: The question is based on the concept of PH calculations. we have been given pOH of the lake. we need…

Q: Calculate pH of a 3 x 10-3 M solution of Al(OH)3?

A: The pH of the solution can be determined by using the formula given below as; pOH = - log OH-…

Q: The pH of a solution of HCl in water is found to be 1.20. What volume of water would you add to 1.00…

A: When an acid is diluted from an initial volume V1 to final volume V2 by adding water  then its pH…

Q: The compound methylamine is a weak base like ammonia. A solution contains 0.115 M CH3NH3+ and 0.263…

A: Methylamine i.e CH3NH2 is a weak base with base dissociation constant i.e Kb = 4.47 X 10-4  Since…

Q: What is the concentration of hydronium ion ([H3O+] in a solution with a pH of -1.3?   a. 0.050 M…

A: We have to calculate  the concentration of hydronium ion ([H3O+] in a solution with a pH of -1.3.

Q: solution of 3.71×10-3 M potassium hydroxide? pOH =  B.) What concentration of sodium hydroxide is…

A: Potassium hydroxide(KOH) is strong base. And strong base dissociated completely [OH-] = 3.71 ×10-3 M…

Q: if the H3O+ ion concentration in an aqueous solution at 25 °c measured 4.61 * 10^-8 M, what is the…

A: Given : [H+] = 4.61 * 10^-8 M

Q: The compound methylamine is a weak base like ammonia. A solution contains 0.499 M CH3NH3+ and 0.199…

A: The base dissociation constant i.e Kb of methylamine i.e CH3NH2 is 4.47 X 10-4  Since the solution…

Q: What is the pH of a 0.025 M solution of KOH?

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Q: At 40°C and 1.00 atm pressure, a gaseous monoprotic acid has a density of 1.05 g L-1 . After 1.85 g…

A: Given: Temperature =  40°C = (273+40) = 313 K pressure = 1.00 atm density = 1.05 g L-1 mass of gas…

Q: . A 0.01 M aqueous solution of __________ will have a pH of 7.0 (neutral) at 25.0°C. a. NaOCl b.…

A: There is a concept that  When a salt of weak acid and strong base is hydrolyzed then pH of solution…

Q: The Ka for H2S is 9.1x10^-8. Calculate the pH of a .15 M solution of H2S in water

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Q: Calculate: 1.The pH of a solution wth 3.50g of HCl dissolved into 750mL of water

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Q: pH pOH H*] [OH"] Acidic, Basic or Neutral? Solution a 9.61 M M [H*] [OH"] M 3.6 x 10-6 M| pH pOH…

A: pH = -log[H+] pOH = -log[OH- ]

Q: What is the pH of a solution that is prepared by dissolving 3.30 g of (NH4)2SO4 in water, adding…

A: Answer: A buffer solution is the type of solution that, on adding the small quantity of acid or…

Q: What is the pH of a 0.200 M solution of HNO3?   0.70   1.31   6.18   8.53

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Q: What is the concentration of hydroxide ion in a 0.45 M aqueous solution of hydroxylamine, NH2OH?…

A: pH is used to determine the concentration of hydronium ion.

Q: A 0.365g sample of HCI is dissolved in enough water to give 2.00 x 10-2 ml of solution. What is the…

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