Why standardize the HCl before determination the NaOH normality.

Q: Imagine that we have excess NaCl solid on the bottom of a saturated aqueous solution of NaCl.…

A: When saturated solution is heated then this saturated solution becomes unsaturated.

Q: Choose the correct answer and show the step by step solution.

A: These are the different ways of calculating concentration, Molarity, Molality, Mass Fraction and…

Q: ater? nk in water?

A: 1) heptane is seven membered alkane.  Condensed structure formula is CH3CH2CH2CH2CH2CH2CH3 2)  As…

Q: A solution has [OH- ] = 4.0 x 10-8. What is the value of[H+] for the solution?(a) 2.5x 10 -8 M (b)…

A: Concentration of OH- ion is 4.0×10-8 M. Product of [H+] and [OH-] is equal to the ionic product of…

Q: Give an example of each, Un-Saturated Solutions and Saturated solutions?

A: When one or more substances are dissolved in a solvent that is homogeneously mixed is called a…

Q: For a monoprotic acid: Select one: a. molarity = normality b. molarity > normality c. molarity <…

A: We know, the relation between normality and molarity, which is--- Normality = Molarity x Basicity…

Q: If the solution turns blue litmus paper red, then the solution contains acid. The salution turns the…

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Q: How will the concentration of ammonia solution in water change when heated?

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Q: How do i calculate the volume of NaOH standard solution needed to completely react with the acetic…

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Q: Find the errors in the solutions and describe how to fix them briefly

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Q: Why do you need to use KHP in the standardization of NaOH?

A: The answer is as follows:

Q: Can you please answer question 17.92 and show all of the steps to the solution

A: In a hydrogen-oxygen fuel cell, the chemical energy associated with the reaction of hydrogen and…

Q: What do Titrations involve?

A: Titrations involving have to be given.

Q: ne solubility constant

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

Q: Discuss briefly a specific importance of acid-base balance in the body.

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Q: 1.243 grans di bm ne ( dissolved ina 2ohkolaquedus olunon How manyP DABA

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

Q: Compare Solution X to Solution A, Solution B, and Solution C. Solution X 8 Solution A Solution B…

A: Molarity= i × (no. of moles of solute/volume of solution)

Q: Describe one other method (other than titration) for determining the concentration of ascorbic acid…

A: I am mentioning a research paper along with it's doi. The whole credit goes to the researcher…

Q: aqueous solution of HN3 when solid KN3 is added? Group of answer choices pOH increases. pOH…

A: HN3(aq.) ---&gt; H+(aq.) + N3-(aq.) If we add KN3 In the solution of HN3. Due to common ion N3- ,…

Q: if magnesium hydroxide were used instead of naoh how many moles would it take to combine with three…

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Q: A delta is formed at the meeting point of sea water and river water. Why?

A: A river delta is a land form that occurs at the mouth of the river near where it flows into the…

Q: WHAT IS THE SIGNIFICANCE OF THE RATION OF STRENGTHS OF ACIDS AND BASES? what is the purpose of…

A: To know about the extent to which any acid or base ionized in water when dissolved is the important…

Q: Solutions with an unknown concentration are called standard solutions. Select one: O True O False

A: False.  the solution with known concentration is known as standard concentration A standard solution…

Q: If 35.0 mL of a 0.100 N acid solution is needed to reach the end point in titration of 21.5 mL of a…

A: Given, Normality of acid solution (N1) = 0.100 N Volume of acid (V1) = 35.0 mL Volume of base…

Q: calculate freezing point of 0.40 m NaCl solution. Make sure to write the dissociation equation.

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: The molarity and normality of a diprotic acid is the same. True False

A: Normality = n × molarity  n= basicity of acid

Q: what are standard solutions

A: Standard Solutions can be defined as follows -

Q: Complete the table below. (All solutions are at 25 °C) [H3O +] pH РОН L но 9.42 2.5 x 10-10

A: The relationships are as shown below  pH = -log[H3O+] = 14 + log[OH-] = 14 - pOH pOH = -log[OH-]…

Q: What is the RSD in ppt for the molar concentrations of NaO

A: Answer : mole of KHP  = mass of KHP  /  molecular weight of KHP as per the reaction  KHP + NaOH…

Q: Find the normality of sodium carbonate (molar mass = 106) in a solution containing 0.212 g carbonate…

A: Given : Molar mass of sodium carbonate = 106 g/mol Mass of carbonate = 0.212 g Volume of solution =…

Q: 45.80mL of a 0.372 M H3PO4 solution were used to titrate 50.00 mL of a NaOH solution.Determine the…

A: Given as  Volume of H3PO4 =45.80 mL Concentration of H3PO4 = 0.372 M Volume of NaOH=50.00 mL The…

Q: What is the difference between strong and weak electrolytes? What is the difference between strong…

A: To find: The difference between strong and weak electrolytes and the difference between strong and…

Q: 19.80 mL NaOH is required to titrate 0.6013 g of potassium hydrogen phthalate (KHC8H4O4). How many…

A: The neutralization reaction between NaOH and potassium hydrogen phthalate (KHC8H4O4) is given as…

Q: 4. Amount of HCl in grams in preparing 25% 2 liters of solution

A: In this question, we want to determine the amount of HCl in grams unit in 25% of 2L solution.  You…

Q: what liquid does an antacid dissolve fater hot water, room temp water or room temp vinegar?

A: Given question is : What liquid does an antacid dissolve faster = ?  Options are : (a). hot water…

Q: The [H₃O⁺] in a 0.050 M solution of Ba(OH)₂ is:    1.0x10⁻⁵   5.0x10⁻²   1.0x10⁻¹³   2.0x10⁻¹³…

A:

Q: How to calculate the percentage acetic acid of vinegar by titration?

A: It is possible to determine the concentration of acetic acid in vinegar by titrating the vinegar…

Q: Compare Solution X to Solution A, Solution B, and Solution C. Solution X 8. 8 Solution A Solution B…

A: MOLAR CONCENTRATION = Number of moles of solute present in solutionvolume of solution

Q: Can you please answer question 17.43 and show all of the steps to the solution

A: In a galvanic cell, the conversion of chemical energy into electrical energy is observed.  The cell…

Q: Calculate the normality of a) 0.85 M H,C,H,O, b) 1.20 M Ba(OH),.

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Q: Compute for the volume of concentrated HCl needed to prepare 500 mL of 0.1000 M HCI solution.

A: Concentrated HCl is 37℅ pure. 1 L of conc HCl contains 12.18 moles  So Molarity of Conc. HCl = 12.18…

Q: 1. What is the standard solution?

A: ANSWERE IS DISCUSSED BELOW :

Q: fcalculate. Q) Prepare of Salution ( NaoH)iat cone (outM)

A: The question is based on the concept of solution preparation. molarity is defined as number of moles…

Q: Calculate the pHpH of each solution 1. [H3O+] = 3.7×10−8 M 2. [H3O+]  = 6.0×10−7  M 3.[H3O+] =…

A: The question have given the concentration of the hydronium ion and we have to calculate the PH of…

Q: If 31.0 mLmL of a 0.200 NN acid solution is needed to reach the end point in titration of 24.5 mLmL…

A: Given ,  Volume of acid (Va) = 31.0 mL Normality of acid (Na) = 0.200 N Volume of base (Vb) = 24.5…

Q: Determine the equivalents needed to make 1.5L of 3N solution of HCl.

A: Normality = number of eq / volume (L) 3N = eq / 1.5 L

Q: What is the effect of adding the acid before Kl?

A: Acid is substance which release hydrogen ions when dissolved in water.

Q: What is the disease associated if there is an excess amount of uric acid in urine? Briefly explain…

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