QUESTION 1 In a NaOH solution [OH-] is 2.9 x 10-4M. Calculate the pH of the solution. (Round-off your answer to two decimal place)

Q: HCHO CH,CHO HOOC -COOH

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Q: the solution acidic or basic? How did you know?

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Q: What is the pH of an aqueous solution of 3.48×10-2 M barium hydroxide? pH = omaining

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A: Concentration of NH3 = 0.420 M Kb of NH3 is 1.76×10-5  Now hydrolysis reaction of NH3 is given by…

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A: The objective of this question is to calculate the pH of a solution given the concentration of…

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Q: Consider the following acids:   benzoic acid formic acid hypobromous acid propanoic acid…

A: Given acids are :  HC7H5O2 HCO2H HBrO HC3H5O2 6.4×10-5 1.8×10-4 2.8×10-9…

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A: D option is right. HF Ka provides a way to gauge the strength of an acid. Larger values signify…

Q: Calculate the pH of a solution that has (OH-) = 7.1 × 10–10 M.     Write the answer in standard…

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Q: Don't provide AI solution

A: When salts dissolve in water, they dissociate into their respective cations and anions. These ions…

Q: Calculate the pH of a 4.5 × 10 °M aqueous solution of nitric acid (HNO,). Round your answer to 2…

A: Given:   Concentration of HNO3 = 4.5×10-8 M pH = ?

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A: The objective of this question is to find the concentration of a weak base that will produce a…

Q: 4- A liter of solution contains 0.25 M HCOOH and 0.3 M HCOONA, calculate the pH of this solution.…

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Q: None

A: The pH of a solution is a measure of its acidity or alkalinity. It is defined as the negative…

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Q: The Kb for the base is given below. What is the pH of the initial 0.50 M base solution?…

A: Concentration of the base (C) = 0.50 M Kb for base = 9.5 × 10-7 pH of the solution = ?

Q: Calculate the [H +] in a solution that is 0.18  M in NaF and 0.25  M in HF. ( K a = 7.2  × 10 –4)

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Q: 4. If you added 35 ml of 1.5 M NaOH to a solution of 3.5M 1650 ml of Acetic Acid, what would the pH…

A: First part of the answer is explained below.

Q: The [OH-] = 5.4 x 10-5 M for the NH3 and NH4Cl solution. What is the pH of the solution? pH = [?]

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Q: 1. The figure below shows the hydronium ion concentration for various concentrations of hydrochloric…

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A: Given,  Volume of CH3COOH = 100 mL Molarity of CH3COOH = 0.28 M = 0.28 mol/L  Volume of NaOH = 50 mL…

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Q: 16) Determine the [OH], [H,O'], and pH OF the following basic solutions. a) 0.15 M NaOH b) 1.5 x 10³…

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Q: Calculate the pH of a solution of 2.64 M HCN solution. The K₂ for HCN is 6.2 x 10-10.

A: Given : concentration of HCN solution = 2.64 M  Ka for HCN = 6.2 × 10-10  To calculate :  pH of…

Q: Please don't provide handwriting solution

A: 8.5 Explanation:Step 1: GivenMass of CaF2 = 7.01 gMolar Mass of CaF2 = 78.07 g/molVolume of Solution…

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Q: 54 For each of the following solutions, calculate [OH ] from [H;O*], or [H30*] from [OH]. Classify…

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Q: Calculate the pOH of a 0.05% HNO3 solution. (Densities: HNO3 = 1.51 g/cm; H20 = 1 %3D %3D g/cm3)…

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Q: INSTRUCTION. Calculate the values of both pH and POH. SHOW YOUT SOLUTION. 1. What is the pH of a…

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