What is the pH of a solution that is 0.100 M in sodium fluoride? The pKa of hydrofluoric acid is 3.18. What is the HF concentration

Q: The pH for 0.0850 M solution of C₆H₅CH₂COOH is 2.68. Determine the value of Ka for C₆H₅CH₂COOH.  A…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: A 0.17 M solution of a weak acid has a pH of 2.85. What is the ka of the weak acid?

A: Given: concentration of weak acid=0.17M              pH of weak acid=2.85 To calculate: Ka of weak…

Q: What is the pH of a 0.0640 M solution of hydrocyanic acid, HCN (Ka = 4.9 × 10⁻¹⁰)?

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Q: 3..A 10 mL solution of 0.38 M HA (pKa = 4.40) is mixed with 8.0 mL of 0.38 M KOH. What is the pH of…

A: Given-> Volume of HA = 10 ml Molarity of HA = 0.38 M Volume of KOH = 8.0 ml Molarity of KOH =…

Q: A 0.303 M solution of hydrogen sulfide has a pH of 3.80. What is the Ka of hydrogen sulfide? a. 1.6…

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Q: What is the pH of an aqueous solution with a hydrogen ion concentration of [H+]=3.9×10−5…

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Q: If you make a solution that is a 0.500 M solution of ascorbic acid (H2C6H6O6, pKa1 = 4.10, pKa2 =…

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Q: What is the pH of a 0.030 M solution of KF?  Ka of HF is 7.2 x 10-4 6.19 3.16 7.81 7.60 4.67

A: The given salt is KF that is composed of KOH (strong base) and HF (weak acid). It is a basic salt.…

Q: Hypochlorous acid, HClO, has a pKa of 7.54. What are [H3O+], pH, [ClO-], and [HClO] in 0.133 M HClO?

A: Please go through the below pic for the reaction taking place and Ka expression.

Q: The muscle pain and fatigue felt during strenuous  exercise is caused by the buildup of lactic acid…

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Q: Calculate the pH of a 0.27 M solution of HCO2H (formic acid, Ka = 1.8 x 10–4).

A: PH = - log [H +] Formic acid weak acid  Ka =dissociation constant

Q: Do you think the pH of 1.0 M tri-methyl ammonium (CH3)3NH", pKa 9.80, will be higher or lower than…

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Q: what is the ph of a solution that is 0.100 m in hydrofluoric acid? The Ka of hydrofluoric acid is…

A: Recall the following expression to find pH of the given solution of hydrofluoric acid. Given that…

Q: What is the pH of a solution that is 0.20 M potassium cyanate, KCNO and 0.16 cyanic acid HCNO? The…

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Q: The pH of a 0.050 M solution of boric acid is 5.28. What is the value of the boric acid ionization…

A: Given : We have to calculate the ionization constant.

Q: odium nitrate (NaNO2) was often added to processed meat to enhance color and to protect against the…

A: NaNO2 belongs to a category of a salt of a weak acid and strong base: NaNO2 ⇌Na+ +NO2- NO2-+H2O ⇌…

Q: Seawater has a pOH of 6.0. Calculate the hydroxide concentration in mol / L

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Q: weak

A: We used the Hinderson equation for calculating the concentration of salt ( NaA ) and it's acid ( HA…

Q: 2) HF is as weak, monoptoric acid with a Ka value of 6.6x104. Calculate the pH of a 0.25 M solution…

A: Weak acid and its salt will form buffer solution.  Note: As per our company guideline we can answer…

Q: What is pH of a solution consisting of 1.05 M NH3 and 0.98 M NH4NO3? Ka of NH4 + is 5.8 x 10-10…

A: 1.05 M NH3 and 0.98 M NH4NO3 The NH4NO3 dissociate as ; NH4NO3 =  NH4+  + NO3-  So the Concentration…

Q: HZ is a weak acid.  An aqueous solution of HZ that is initially 0.020 M in HZ has a pH of 4.93.…

A: It is given that HZ is a weak acid, that means it does not completely ionize in a solution. HZ⇔H++Z-

Q: A solution is prepared by dissolving  1.600 g  of sodium acetate (CH3COONa) into  100.00 mL  of a…

A: • pH of weak acid can be calculate by      the help of Hendenson - Hasselbalch equation:-pH=pka +…

Q: Which of these salts is correctly matched with the pH of its aqueous solution?   a. CH3NH3Cl, pH >…

A: ->If salt is of strong acid and weak base then it's pH<7 ->If salt is of weak acid and…

Q: At 10°C, the ion-product constant of water, Kw, is 6.88 × 10–15. What is the pH of pure water at 10°

A: H2O             ⇆          H+      +       OH-…

Q: 4. Out of the following, which is incorrect? a) The pH of a solution containing only an acid is…

A: We have to predict the incorrect statement.

Q: A solution of acetic acid (Ka = 1.8 × 10‒5) has a pH of 2.65. What is the concentration of acetic…

A: Given information: Ka of acetic acid = 1.8 × 10‒5 pH is 2.65

Q: What is the pH of a solution of 0.35 M Hydrochloric Acid?   60 35 68 7 45 61 75 90 80

A: HCl -------> H+ + Cl- [HCl] =0.35 M pH = -log [H+]

Q: Since the pH of 0.1 M acetic acid solution is measured as 2.88, the Ka value of acetic acid…

A: The degree of ionization has to be calculated, Given, The pH of the solution is 2.88. We know that…

Q: We put 0.628 mol of a weak acid, HA, and 12.7 g of NaOH in enough water to produce 1.00 L of…

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Q: 7. a) Calculate the pH of a 2.0 M aqueous solution of H2SO4. b) Calculate the pH of a 5.0 × 10 M…

A: 7. a) calculating the pH of a 2.0 M aqua solution of H2SO4: Given;

Q: An unknown weak base with a concentration of 0.170 M has a pH of 10.04. What is the Kb of this base

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Q: The pKa of NH3 is estimated to be 35. Its conjugate base, the amide ion (NH2−), can be isolated as…

A: Here NaNH2 is a salt of mixture of weak acid and strong base. Use pH of that salt.

Q: a 1L, 0.1M, pH = 7.4 buffer solution. The weak acid is 0.5M, pKa = 8.6. The conjugate base is 0.1M.…

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Q: 6. Which of the following has the highest pH? a. 1.00 M NaNO3 b. 1.00 M NaNO2 c. 1.00 M NaH,PO4 d.…

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Q: What is the pH of a solution made of 0.IM acetic acid (pka = 4.8)? %3D О а. 2.9

A: We have given that  what is pH of a solution made of 0.1M acetic acid (pKa = 4.8 )    pH of solution…

Q: What is the pH of a 0.75 molar solution of HBr? Group of answer choices 0.12 0.75 0.0 -0.75 -0.12

A: pH: The concentration of hydrogen ion is measured using pH scale. The pH of a solution is a figure…

Q: 11. If the pH of a substance A is 2 and the pH of a substance B is 4, which substance is more…

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Q: What is the pH of a solution that contains 0.135 M HCOOH and 0.215 M HCOONa? The pKa of formic acid…

A: pH of the solution is equal to the negative logarithm of hydronium ion while pOH is equal to the…

Q: The pH of a solution of 19.5 g of malonic acid in 0.250 L is 1.47. The pH of a 0.300 M solution of…

A: Given: The amount of malonic acid dissolved in 0.250 L is 19.5 g. The pH of malonic acid and 0.300 M…

Q: A 0.369 M solution of hydroxylamine has a pH of 9.80. What is the Kb of hydroxylamine? a. 6.8 ×…

A: Given: molarity=0.369 MpH=9.80 To find: Kb of hydroxylamine

Q: Calculate the pH of a solution that is 1.8*10^-3 M morphine if the pKa of its conjugate acid is 8.21

A: We have to predict the pH of the morphine solution.

Q: The pH of an aqueous solution of sulfurous acid, H2SO3, that has a concentration of 0.60 mol/L and…

A: The solution is as follows:

Q: Which of the following has the highest pH? O pure water O 0.1 M HA, pK, = 11.89 O 0.1 M HD, pK, =…

A: It is well known that the lower value of pH has a high concentration of hydrogen ions [H+]. The…

Q: A 0.10 M sample of a weak acid has a Ka of 4.0 x 10 −5. What is the pH of the weak acid? Between 3…

A: Let HA be the weak acid. It ionizes in the solution as follows:                               HA…

Q: a. 35 mL of 0.15 M H₂SO4 is mixed with 35 mL of 0.30 M NaOH O The pH of the solution is less than 7.…

A: pH is the measure of acidity or basicity of a solution. A solution with pH higher than 7 is basic…

Q: the laboratory, a general chemistry student measured the pH of a 0.468 M aqueous solution of formic…

A: PH= -log[H+] [H+]=√ka×C HCOOH is weak acid it will break completely in water into it's ions so use…

Q: the lab you prepare a 0.50 M solution of a weak acid "HA" . You measure that the pH of this solution…

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Q: What is the pH of a solution created by combining 1.13 mole of HOBr and 0.49 mole NaOH in a 1.00L…

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Q: A 48.5 g sample of cis-butenoic acid (C4H6O2; pKa-4.44) is dissolved in 350.0 mL of water. What is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.