Which of the following can be mixed together in H2O to produce buffer solutions? Choose all that apply. 1) HNO3 and NaNO3 2) NH3 and HCl 3) HCN and NaOH 4) HF and KF

Q: p0 g KHP) and Solution 2 (0.1000 g KHP). What entration of NaOH using Solution 1 comparedt NAOH]: > ...

A: At neutralization point , Equivalents of NaOH = Equivalents of KHP In solution 2 , moles of KHP is h...

Q: Be sure to answer all parts. The equilibrium constant K, for the reaction below is 0.00425 at a cert...

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Q: Gaseous ammonia reacts with gaseous chlorine to produce nitrogen and hydrogen chloride gas. How many...

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Q: Which of compounds l-V corresponds to the infrared spectrum (attached). Provide a clear rationale fo...

A: The close observation of the peaks in the given spectrum may lead to solve the structural aspect of ...

Q: What is the pH of a 1.00 x 10^-9 molar solution of CaCl2?

A: Given :  Concentration of CaCl2 = 1.00 x 10-9 M   

Q: A chemist wishing to do an experiment requiring Ca+ (half-life = 4.5 days) needs 3.0 µg of the nucli...

A:

Q: A photon with a wavelength of less than 50.4nm can ionize a helium atom. What is the ionization pote...

A: Ionization energy/ potential is called the amount of energy required to remove an electron from an i...

Q: Step by step naming of ionic compound - calcium iodide

A: Rules for naming simple ionic compounds. 1. Name the metal by its elemental name. 2. Name the nonmet...

Q: Calculate the value of H,O* from the given [OH] in each solution and label the solution as acidic or...

A: pH  =  - log [ H3O+ ]  [ H3O+ ]  = 10-pH     pOH  =  - log [ OH- ]  [ OH- ]  = 10-pOH      pH  +  pO...

Q: 1. For the verification of beer lamberts law in the visible region, if NaCl is given instead of CuCl...

A: Beer-Lambert law is used in colorimetry to calculate unknown concentration of the compound. Mathemat...

Q: Balance and add phase labels to the following reaction for the hydrogenphosphate test: HPO2−4 + NH+...

A: Given unbalanced equation HPO42- + NH4+ + MoO42- + H+ → (NH4)3PO4(MoO3)12 (s) + H2O

Q: When the titration of an acid with a base is complete, the solution should change in color. What poi...

A: GIVEN:-

Q: If a student performed part A of this experiment and recorded a 122% yield, what could have been som...

A: Please find your solution below : Percentage yield is defined as the percent ratio of actual yield t...

Q: A 10.00 mL sample of 1.20 M HNO2 (analyte) (pKa = 3.34 and Ka = 4.57x10-4) is titrated with 1.20 M N...

A: Given,  A 10.00 mL sample of 1.20 M HNO2 (analyte) (pKa = 3.34 and Ka = 4.57x10-4) is titrated with ...

Q: Part A: Percent Yield of Sodium Carbonate from Baking Soda 97.18g Mass of test tube and beaker ११. २...

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Q: 5. For the balanced &quation shown below, what would be the limiting reagent if 18.9 grams of HNO3 w...

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Q: What should be the pH range of an indicator that has a Ka of 5.21x10-4? (А) 3 to 5 (в) 3.28 to 5.28 ...

A: Given,  The pH range of the indicator that has ka of 5.21 × 10-4  is:

Q: What is usually the relationship between the volume needed to reach the end point (Vep) and the volu...

A: Equivalence point and end point are the terms associated with the titration of an acid with a base. ...

Q: An empty steel container is filled with 0.840 atm of A and 0.840 atm of B. The system is allowed to ...

A: Equilibrium constant in terms of partial pressure ( Kp ) is the ratio of partial pressures of produc...

Q: 30. Compare the structures of HNO2 and H2CO3. Which would you expect to be the stronger acid? Explai...

A: HNO3 is very strong acid as compare to H2CO3 because HNO3 completely dissociate in water in order to...

Q: Consider the I-131 nucleus that is used to treat thyroid. Mass of I-131 is 130.78302 amu. 1) what is...

A: To answer questions regarding I-131 nucleus.

Q: Which of the following sets of quantum numbers is not possible? n m m, A. 4 3 -2 В. 3 С.3 +1/2 -1/2 ...

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Q: A student calibrated the mini-spectrophotometer with a blank solution, and then went to check their ...

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Q: Enter your answer in the provided box. Carbonyl chloride (COCI), also called phosgene, was used in W...

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Q: 4mL of diluted protein solution was prepared by mixing 200uL of the protein solution with 3.8mL of d...

A: Lysozome activity = -0.080 (abs/min)

Q: CH,CH(NH, 6.9 What mass of sucrose, C2H2,011, should you dissolve in 100.0 g of water to obtain a so...

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Q: Indicate whether the following salts will be soluble or insoluble in water: HgCi, BacO3, SrBr2, and ...

A: Given salts : HgCi, BacO3, SrBr2, and ZnSO4.

Q: litres

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Q: A 50.0 ml of 0.02 F ammonia solution is added to a solution containing 0.004 g Ni?*, 0.003 g Mn2+, a...

A: When ammonia is added to the solution initially, its concentration in the mixture: [NH3]=mL of ammon...

Q: At 750 degrees Celsius, this reaction reaches an equilibrium in a 2 liters container. H2 (g) + CO (g...

A: Recall the given reaction,     H2 (g)  +  CO2 (g)  <------>  H2O (g)  +  CO (g) At equilibrium...

Q: A 1x working solution contains 50mM of EDTA. What is the EDTA concentration in your 91x concentrated...

A: Given: 1x working solution contains 50mM of EDTA.

Q: 50.00- 45.00 40.00- 36.00 30.00- 3 25.00 20.00 15.00 10.00 5.00 0.00 o.b0 2.00 600 .00 10.00 12.00 1...

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Q: pH Titration Curve for titrating 29.0 ml of Aqueous Lithium hydroxide with 0.788 mol/L Hydrobromic A...

A: it's a strong base-acid titration

Q: 8. While studying the adsorption isotherm of acetic acid on charcoal, if 2.5 gm of charcoal be taken...

A: We use the Freundlich equation to plot Freundlich adsorption isotherm curve. Here adsorbate is aceti...

Q: Out of the following acids, which are polyprotic? 1. HCl 2. H2CO3 3.HClO3 4.H2SO3 5.H3PO4 6.HN...

A: Polyprotic acids are those which gives more than one H+ ions in water. 

Q: ny grams of

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Q: 5. Explain why metals exhibit the following properties. – page 269 shiny flexible Electrical conduct...

A: Metals are shiny-The positive metal ions are surrounded by pool of electrons. The electrostatic forc...

Q: (g) Which of the two possible reactions below would you chose to prepare the ether by Sn2 reaction o...

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Q: Assign (E) or (Z) configuration to each compouny below. if the compound does not have a geometric is...

A: Alkenes  can be defined as the organic compounds containing double bonds .They have E or Z configura...

Q: 3. In the conductometric titration, the concentration of alkali is five time stronger than the conce...

A: In conductivity measurements the end point is there where a sharp change of value of conductivity is...

Q: A chemist was able to produce 27.9 grams of phosphorus tribromide from 35.0 grams of bromine. What w...

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Q: The Kan for Ee(OH)3 is 3 x 10 39. What concentration of Fe*3 can exist in solution at pH 3.0 A. 3x 1...

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Q: The cyclobutadienyl cation (C4H4+) may be treated using the Huckel MO approach. The roots to the sec...

A: The energy of cyclobutadienyl cation (C4H42+) is needed to be determined using the Huckel MO approac...

Q: What is the molarity of a solution that was prepared by dissolving 14.2 g of NaNO3 in enough water t...

A: Molarity is defined as the number of moles of solute dissolved per litre of solution. 

Q: Peak area proportional to mass or concentration of the individual components of the sample injected....

A: The area under the peak is a function of that compound's concentration in the sample.

Q: A sample of chlorine gas with an initial volume of 35.6 L was found to have a volume of 27.2 L at 15...

A:

Q: The reaction for producing glucose in plants, called photosynthesis, is   6CO2+6H2O−→−−light C6H12...

A: 6CO2 +6H2O −→ light + C6H12O6 + 6O2 Number of moles of C6H12O6 produced = 7.01 mol  

Q: Enter your answer in the provided box. For the reaction N2g) + 3H,(g)5 2NH3(g) Kp is 0.000111 at 527...

A:

Q: For the acid hydrolysis of ethyl acetate, the rate constant at different temperatures is given in th...

A: Acid hydrolysis of ethyl acetate at different temperature. We have to draw the graph the find Ea of ...

Q: Arrange the salts by their molar solubility in water. value for Most soluble Least soluble

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.