After 0.63 g of CoCl₂-6H₂O is heated, the residue has a mass of 0.346 g 15. ΑΣΦΑ ? Submit Previous Answers Request Answer % H₂O Calculate the % H₂O in the hydrate.

Q: What is the pH of a solution of 0.12 M of benzoic acid for which PK₁ = 4.20?

A:

Q: uppose a 0.027M aqueous solution of oxalic and (H₂C₂O₂) is prepared. Calculate the equilibrium if…

A:

Q: What is the concentration of a standardized HCl solution that required 50.78 mL of HCl to titrate…

A: we need to find the concentration of HCl needed for the titration

Q: 2- Suppose a 0.32M aqueous solution of phosphoric acid (H₂PO₂) is prepared. Calculate the…

A: Given,Molarity of H3PO4 = 0.32 MpKa1 ( H3PO4 ) = 2.16pKa2 ( H3PO4 ) = 7.21

Q: What is going on in the hexane layer at the end of a Group I Anion experiment? On a qualitative…

A: The given experiment is to identify the  and anions.

Q: b) Ph CN 1) MeLi 2) NaBH4 3) PBr3 4) Mg 5) CO₂ (dry ice)

A: Given that, a reaction sequence is shown below We have to give the final product of the above…

Q: Ом Suppose a 0.030M aqueous solution of sulfuric acid (H2SO4) is prepared. Calculate the equilibrium…

A: Step 1: Solution Given, Concentration of H2SO4 = 0.030 M We know, sulfuric acid (H2SO4) is a strong…

Q: What is the concentration of Figure 1 in a 3.02 M solution of aspartic acid (Figure 2) at…

A: In the given question we have to calculate the concentration of each dissociated form.

Q: 4. Calculate the pH of a 0.47 M solution of HOI. (Ka= 2.3 x 10-11). Use 2 decimal places in your…

A: 4. For weak acid, pH = 1/2 pKa- 1/2 Log C

Q: Info on Oxalic acid is: pKa1= 1.25 pKa2= 3.81

A: Molarity of aqueous solution of H2C2O4 = 0.22 M

Q: (a) Calculate the percent ionization of 0.00310 M butanoic acid (K₂ = 1.5e-05). % ionization = % (b)…

A:

Q: 7) Give the reaction type for each of the following reactions. (2 points each) -> a. Pb(OH) 2 (s) →…

A: The reaction Pb(OH)2 (s) → PbO (s) + H2O is a decomposition reaction. In a decomposition reaction, a…

Q: A slightly soluble salt has the formula A2B3 and a Ksp of 6.0E-26. What is pB in a solution of this…

A: Interpretation- To determine the pB of the solution of A2B3 salt . when Ksp of A2B3 salt is 6.0 ×…

Q: Suppose a 0.027 M aqueous solution of oxalic acid (H₂C₂O4) is prepared. Calculate the equilibrium…

A:

Q: Pre-laboratory Exercises 1. (a) Define Beer's law and give the mathematical equation (specify each…

A: Given,SolutionVolume (mL) of 0.200M NiCl2Volume (mL) of H2O[NiCl2]Absorbance at…

Q: at the equivalence point do moles of h+=moles oh-

A: The objective of the question is to understand the concept of equivalence point in a titration…

Q: Which one of the equations below represents what happens when HC2H3O2 is dissolved in water? O…

A: Acids give H+ ions and bases gain H+ ions.

Q: rewrite the question in your own words to clarify it, write a useful hint, or explain how you ran…

A: We know the molarity (M) is the commonly used concentration term for any solution. It is defined as…

Q: What are the concentrations of H3O* and OH in each of the following? а. 2.78 M NaOН O[OH ] = 2.78 M,…

A: 1. Strong Acids are substances, which in aqueous solutions ionizes completely to give rise to…

Q: A solution is made initially with 0.200 M HIO3 (Kc = 0.170). Once the equilibrium below is…

A: Balanced reaction equation isHIO3(aq)       ↔      H+ (aq)  +  IO3-(aq)Initial [HIO3] = 0.200 MKc =…

Q: Suppose, in an experiment to determine the amount of sodium hypochlorite in bleach, you titrated a…

A: Given data,Molarity of KIO3=0.010MVolume of KIO3=26.34mLVolume of Na2S2O3=15.51mL

Q: X Home Mail - Esther CeronSotelo - Outlo X (78) How to Calculate Oxidation b Answered: G formula for…

A: A balanced chemical equation is an equation which contains same elements in same number on both the…

Q: What is the molarity of NH3OH+ in 0.1828 M hydroxylamine? See reaction below NH2OH + H2O ↔ NH3OH+ +…

A: In this question we have to calculate the molarity of NH3OH+ .

Q: CHEMISTRY 1110L LAB REPORT: PROPERTIES OF SOLUTIONS Part Two 8. Measurement of Acidity Part One (Do…

A: #Part-1: #Q.1: Here we are diluting the original 1.00 M NaOH solution to 50.0 mL of 0.100 M NaOH.…

Q: Calculate the concentration of CIO2 at equilibrium if the initial concentration of HCIO2 is…

A: The acid dissociation constant for HClO2 is 1.1 × 10-2.                                HClO2  ⇌…

Q: In a reaction of hydrochloric acid with sodium sulfate, the products would include the gas SO2. True…

A: Given : reactant

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

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

Q: [H30)=|

A:

Q: a. 0.600 mole of Ca (NO3), in 700.0 mL of solution |M MCa+ MNO,-

A:

Q: Enter a balanced equation for the neutralization of the following. Assume compounds containing…

A:

Q: -NO₂ 1) NaH THF 2) 3) dil. H3O+

A: -> NaH is base it can abstract most acidic hydrogen from given compound and able to form…

Q: (a) 0.49 M cyanic acid (HCNO, PK₂ = 3.46) 0.02 X % The approximation is valid. O The approximation…

A: Well, 5% rule is an approximation method, we have to check whether approximation is under 5% or not.…

Q: needed for this question. What concentration of barlum hydroxide is needed to give an aqueous…

A: Here we are required to find the Molarity of barium hydroxide.

Q: Suppose a 0.48M aqueous solution of phosphoric acid (H,PO,) is prepared. Calculate the equilibrium…

A:

Q: show ur work(calculation) and answer properly

A: We are given a weak base, it's concentration and percentage ionisation is given. We have to find kb.

Q: 2- Suppose a 0.22M aqueous solution of oxalic acid (H2C2O4) is prepared. Calculate the equilibrium…

A: The dissociation occurs in two steps:The initial concentration of oxalic acid,We need the…

Q: What is the equilibrium formula for the formation of bicarbonate from carbon dioxide and water?…

A: The formation of bicarbonate from carbon dioxide and water -We have to write the equilibrium formula…