(3) How will you prepare 500 ml of 0.750 M citrate buffer with pH of 4.25 from solid citric acid (C6H8O7) and solid sodium citrate (Na3C6HsO7).The Ka of citric acid is 7.40 x 104.

Q: How many milliliters of .255M H3PO4 would be needed to react exactly with 20.0mL of 0.135M NaOH?

A: First, we need to understand the chemical reaction between H3PO4 and NaOH. The balanced chemical…

Q: . The hydrogen ion concentration of a lemon is about 0.02. What is its pH?

A: Hydrogen  ion concentration  ([H+])= 0.02 M pH =?

Q: How many mL of water must be added to 300.0 mL of 0.750 M HCl to dilute the solution to 0.25 M?

A: At initial , volume(V1) = 300mL Molarity (M1) = 0.750M of HCl  We have to make a dilute HCl solution…

Q: If the molecular weight of heptanoic acid is 130.19 g/mol. Covert 10 mmol to mL.

A: The question is based on mole concept . we need to calculate given moles into volume of the acid.

Q: Explain why lemon juice might remove the odor of fish.

A: We know that lemon juice contains citric acid, which has chemical formula of C6H8O7 , it is a weakly…

Q: How do you determine molarity in DI water to compare to see if molarity increases or decresease…

A: We have to determine the molar solubility of Tl2S in DI water. We also have to tell whether the…

Q: 3. How much 10% - Acid solution must be mixed with a 30%-acid solution is needed to make 500 liters…

A: The question is based on the concept of solutions. we have been given two solutions.  we need to…

Q: Diagram water dissociation and explain how it related to pH.

A: Water Dissociation- When ionic compounds dissolve in water, their ions separate from one another in…

Q: How many times higher is the OH concentration is a solution with pOH = 1 than in solution with pOH =…

A:

Q: If an unknown concentration 25.00 ml HCI consumes 20 ml of 0.123 M NaOH to reach endpoint, calculate…

A:

Q: In a reaction to synthesize nitrogen triiodide, 0.023 mol of I2 are needed. How many grams need to…

A:

Q: How to identify base and adjacent base and acid and adjacent acide in chemical reaction and other…

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Q: How many mL of 0.0947 M NaOH are needed to neutralize 21.4 mL of 0.106 M HCl?

A: In a neutralization reaction, an acid reacts with a base to produce a salt and water. The…

Q: Calculate the concentration in (M) of the unknown NaOH solution in the second case  NaOH volume (mL)…

A: The objective of this question is to calculate the concentration of the unknown NaOH solution using…

Q: Describe what happens on the molecular level when aceticacid dissolves in water.

A: According to Arrhenius and Lowry-Bronsted, an acid is a substance which gives H+ in its solution.…

Q: When mixing an acid and water, always pour the water into the acid with constant stirring, never the…

A: A reaction is called exothermic, when heat is released during the course of reaction.

Q: How many mL of water is needed to prepare a 0.1M solution HCI solution from 505mL of a 0.125M stock…

A: Given,Molarity of stock solution of HCl = 0.125 Mvolume of stock solution = 505 mLMolarity of HCl…

Q: Calculate the concentration in (M) of the unknown NaOH solution in the first case. NaOH volume (mL)…

A: The objective of this question is to calculate the concentration of the unknown NaOH solution using…

Q: write an equation for the dissociation of acetic acid in water

A: When acid is dissolved in water it dissociates into its respective ions Strong acids dissociates…

Q: how many ml of 0.500 m hcl would be required to completely neutralize 25.0 ml of 1.5 m naoh

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: what is the approximate molarity of acid in the stomach?

A: Concentrated hydrochloric acid is present in the stomach of humans. Its acidic strength is 10 times…

Q: How many mL of 0.0662 M NaOH would be required to completely neutralize 20.00 mL of 0.0555 M H2SO4?

A: Given, 20.00 mL of 0.0555 M H2SO4 0.0662 M NaOH

Q: Which salt produces a basic solution

A: