The salt, Ca(CN)2, would give an aqueous solution that is (a) acidic (b) basic (c) neutral (d) none of these

Q: A stock solution is prepared by dissolving 4.137 g of (NH.)2SO4 in enough water to prepare 225.0 mL…

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Q: If weak acids ionize only a few percent in aqueous solution, why is it possible to fully neutralize…

A: Concept:  Weak acid: Weak acids are acids which don't completely dissociate in solution. In other…

Q: The reaction of an acid and a base only produces a salt and water as products. This is an example of…

A: When an acid(say HA) reacts with a base (MOH). They produce salt and water.

Q: The pH of a certain solution is 4.5. What is the concentration of H+(aq) ions in the solution?

A: Since pH = -log[H+] where [H+] = concentration of H+ (aq) ions pH given = 4.5

Q: Calculate the pH and % ionization for a .44 molar solution of CN-(aq).

A: Cyanide ion hydrolyzes in water to form HCN and hydroxide ion. The concentration of hydroxide ion…

Q: 10.T/ An industrial chemist prepares a 0.025 mol/L solution of hydrazoic acid, HN3(aq), a weak…

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Q: if 44.97 ml of an HCl solution is equivalent to 43.76 ml solution of  NaOH,   and if 49.14 ml of the…

A: Given: Volume of HCl= 44.97 ml Volume of NaOH= 43.76 ml  49.14 ml of the NaOH will neutralize…

Q: If 44.97 ml of a solution of HCl are equivalent to 43.76 ml solution of NaOH, and if 49.14 ml of the…

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Q: Exp # 1: suppose you have a{ Na+(aq), Ag+(aq)} solution, and you’re asked to separate the 2 ions,…

A: The two ions can be separated if one of the ions forms a precipitate with a particular anion and the…

Q: If 0.235 g of KHP (potassium hydrogen phthalate) require 15.5 mL of NaOH solution to neutralize it,…

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Q: e the hydronium ion concentration in an aqueous solution of 6.57×10² M hydrosulfuric acid, H,S (aq).

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Q: Write the balanced molecular equation for the neutralization reaction between HIHI and…

A: When an acid and base reacts with each other to form salt and water and involves H+ and OH- ions in…

Q: The pH of a lime is 1.90. What is the [H3O*]?

A: Power of hydrogenpH value indicates the acidic and basic nature of a solution. pH ranges between 0…

Q: Write a balanced chemical reaction for the oxidation of zinc metal with hydrochloric acid.  (The…

A: The balanced chemical equation of the reaction consists of equal number of atoms in both the…

Q: The following chemical reaction takes place in aqueous solution: SnCl,(aq)+2 NaOH(aq)Sn (OH),(s)+2…

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Q: Phosphoric acid, H3PO4 (aq), is found in soda. Write the balanced chemical equation for the…

A: Given,  The balanced reaction for the neutralization of phosphoric acid (H3PO4 ) and NaOH is:

Q: Estimate the pH of 0.010 M NaCH3CO2(aq).

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Q: For a tablet containing 1000 mg of vitamin C, calculate the minimum concentration of the NaOH…

A: Given that :  Mass of vitamin C = 1000mg = 1000mg×1g/1000mg = 1.00g Volume of NaOH used to…

Q: Complete the equation for the reaction of NaHCO3(s) with HC2H3O2(aq). Include phase symbols.

A: Given,

Q: calculate the ph of a 0.600 solution of Na2S

A: When Na2S dissolved in water - Na2S + 2H2O <===> 2NaOH + H2S Thus, sodium Sulfide is a salt of…

Q: The following chemical reaction takes place in aqueous solution: SnBr,(aq)+Na,S(aq) →SnS(s)+2…

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Q: A solution of Naco3 and CaCl2 will produce which of the following as a precipitate?

A: The reactants taken are 1) Na2CO3  2) CaCl2

Q: What is the pH of a 0.870 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A: Answer:- This question is answered by using the simple concept of hydrolysis of the salt formed by…

Q: The pH of a solution of HBr was 2.633. What was the hydronium ion concentration?

A: pH =  - log(H+)

Q: For every K2CO3  that dissociates, how many potassium ions are there?

A: In dissociation  compounds are breaks into its constitute ions .

Q: Find the pH of a 0.155 M HClO2(aq) solution

A: As we know that the acid ionization constant (Ka) for HCIO₂(aq) is 0.011. The equation for…

Q: Calculate the pH of a 2.61 mol/L solution of ammonium hydrogen carbonate, NH4HCO3

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Q: The titration of 0.9297 g of KHP (molar mass=204.227 g/mol) requires 41.02 mL of NaOH solution, What…

A: Given: Mass of KHP = 0.9297 g Volume of NaOH = 41.02 mL Molar mass of KHP = 204.227 g/mol

Q: What is the pH of an aqueous solution with a hydronium ion concentration of 1.75 × 10⁻⁵ M?

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

Q: How many grams of KMnO4 are required to prepare 4.000 L  of 0.0350 M  KMnO4 solution that is used in…

A: Calculation of no. of mol of KMnO4: Calculation of amount of KMnO4:

Q: Acetic acid is a covalent compound but, when dissolved in water, it is a weak electro- lyte. How…

A: Since polar compounds dissolve in a polar solvent and nonpolar compounds dissolve in a nonpolar…

Q: For  K w, the product of [H 3O +] and [OH -] is

A: Kw is the water constant and is defined as product of hydronium ion and hydroxyl ion  Kw = [H3O+]…

Q: What mass of solid Lanthanum (III) oxalate nonahydrate { Laz ( C2O4 )3 · 9 H2O } can be obtained…

A: Given data: The volume of the aqueous solution of LaCl3 = 650 mL = 0.650 L. The molarity of the…

Q: What is the percent of CaCO3 in an antacid given that a tablet that weighed 1.3198 g reacted with…

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Q: In the following reaction, A* (aq) + H20 (0) → HOA (aq) + H* (aq), which is the conjugate base of…

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Q: The following chemical reaction takes place in aqueous solution: MnBr,(aq)+2 N2OH(aq) →Mn(OH),(s)+2…

A: Given: Chemical reaction is given To find: Net ionic equation Solution: Chemical equation can be…

Q: Write the formulae of any two oxoacids of sulphur.

A: The Oxoacids of Sulfur are those compounds which consist of Oxygen, Sulfur and Hydrogen. Some…

Q: If 0.235 g of KHP (potassium hydrogen phthalate) require 15.51 mL of NaOH solution to neutralize it,…

A: For the neutralization number of mmols of NaOH = number of mmols of KHP Number of mols = Molarity x…

Q: The pH of an aqueous solution of 0.0103 M hydrosulfuric acid, H2S (aq), is

A: Given,  Molarity of H2S = 0.0103 M  First acid dissociation constant of H2S = Ka1 = 1.0 x 10-7…

Q: If you added 45.5 mL of 0.058 M KMnO4, 35.6 mL of 0.6M NaOH, 75.4 mL of 0.8M Ca(OH)2, and43.5 mL of…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: Lactic acid (ch3ch(oh)cooh) is produced by bacteria in the mouth from food residues and is…

A: Given that,  Concentration of lactic acid sample = 0.528 mol/L Ka value of lactic acid = 1.4×10-4…

Q: Write a procedure for making a supersaturated solution of KNO3?

A: A supersaturated solution is a solution in which the amount of solute dissolved is higher than the…

Q: Assuming the base completely dissociates in water, what is the pH of a 5.20 g/L solution of Ba(OH)2…

A: pH is basically the negative logarithm of concentration of H+ and it is given by the formula:…

Q: What molarity of Ag+ ions is required for the formation of a precipitate in 1.0 × 10-5 M NaCl(aq)?

A: Since NaCl is a strong electrolyte. hence it will dissolve completely in solution as per the…

Q: What is the concentration of sodium ions in 0.130 M Na;PO,?

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Q: What is the molar concentration of all the ions in a solution of 0.120M Al2(SO4)3?

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