An analyst wishes to add 256mg of cl to a veaction Mixture. How Many M:114ers of o.217M Bac12, Should be added ?

Q: Calculate the K.E. of molecule of helium in 1 cm3 of volume at a pressure of 2 atmosphere.

A: Volume = 1cm3. We know 1000cm3 = 1L So 1cm3 = 1x 10-3 L Pressure = 2atm  R = 0.0820 L atm mol-1s-1…

Q: Provide the Lewis structure and molecular geometry as predicted by VSEPR (with solution) of the…

A:

Q: The surface water of a lake is at pH = 7.9 and contains 10-29 M dissolved inorganic carbon (i.e.,…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The sulfur from 4.00g steel is evolved as dihydrogen sulfide gas and titrated with 1.60 mL of…

A: In order to solve this question, we first need to know a couple of definitions. Molarity: It is a…

Q: Rank the following hydroxides in order of increasing aqueous basicity: Al(OH)3, B(OH)3, In(OH)3.

A:

Q: Like heavy water (D₂O), so-called “semi-heavy water”(HDO) undergoes H/D exchange. The scenes below…

A: (a)

Q: Calculate [H₂0%), (OH-) and % jonization FOR a 79 in solution of AND₂ K: FOR H₂U₂ = 5.1 X107

A: Given the molarity of HNO2 = 0.79 M  HNO2(aq) is a weak monoprotic acid with Ka = 5.1*10-4

Q: Calculate the PH Of Soution Prepared by adding D.Lomole of NADH to a Solution Containing D:20…

A:

Q: (b) The concentration of SO2 in air was found to be 50. ppb. Calculate its concentration in…

A: Given that,  Concentration of SO2 in air = 50ppb To find the concentration of SO2 in molecules/uL

Q: Calculate the pH of a 0.125 M solution of KN3 at 25°C. Ka for HN3 is 2.5 x 10*

A: KN3 is a salt of weak acid HN3 and strong base KOH  This salt undergo a anionic salt hydrolysis…

Q: Describe the preparation of I L of 5moll-2 HCL colution from concentrated acid/d=1019 g/m²: 37.500)

A: **As you have asked multiple questions, I am solving first question. Either resubmit other questions…

Q: What mass of Hydrazine reacts with 250mL of 0.146M H2SO4

A:

Q: How many grams of BaF2 (molar mass = 175.337) will dissolve in 600 mL of 0.45 M NaF solution? The…

A: Solubility of any salt is defined as the maximum amount of solute that can be dissolve in a solvent…

Q: What is valence-state electronegativity? Explain the changein acidity of the oxides of Mn with…

A: The tendency of an atom to attract the pair of electrons which are bonded and its measurement is…

Q: What are the respective concentrations (M) of Fe3+ and I- afforded by dissolving 0.200 mol FeI3 in…

A: Molarity is defined as moles of solute per liter volume of solution. It is represented as M.  M=no.…

Q: Grive the balam eed chemical equation fon the preparation of XeOg. A compound (x) is fonmed when…

A: Inorganic chemistry:

Q: Which of these will not react with KMnO4?

A: KMnO4 is used as oxidizing agent.

Q: Calculate the pH of an aqueous solution prepared by dissolving 5.61 g of KOH pellets in water and…

A: Mass of KOH = 5.61 g Volume = 0.500 L Molar mass of KOH = 39.10 + 16.00 + 1.008 = 56.108 g/mol pH of…

Q: 1. 0.4960 g sample of CaCO3 (mw= 100) is dissolved in an acidic solution. The calcium is…

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

Q: Write a balanced half-reaction describing the oxidation of aqueous vanadium(I) cations to aqueous…

A:

Q: When 15.11 ml of 0.102 M K2SO4 solution reacts with 35.00 ml of 0.114 M Pb(C2H3O2)2. predict the…

A: Data given: Volume of K2SO4 solution = 15.11 mL = 0.01511 L (1 L = 1000 mL) Concentration of K2SO4…

Q: What volume of solution is needed to provide a 9.04 g of NiF2 from a 0.332 M solution?

A:

Q: Whatvolume of a 0.150 N KI solution is required to react in basic solution with34.1 mL of a 0.216 N…

A: Since you have posted multiple questions, we are entitled to answer only 1 question.

Q: Inorganic. Write the resulting balanced equation and the steps along with reagents in how to…

A: Chemical test to identify aqueous sodium sulphide (Na2S) To aqueous sodium sulphide add few drops of…

Q: Chlorine is used to make bleach solutions containing 5.25% NaClO (by mass). Assuming 100% yield in…

A:

Q: )A wxt weighing g conritts of equal partr by 1.000 wt of No,Cos ond K2COg .H is dinsolued in woter…

A: Molar mass of sodium carbonate = 106.0 g (known)   Equivalent mass can be calculated by using the…

Q: - How many coulombs required to obtain 54 gm of silver metal from its [Ag* = 108, charge of (e") =…

A:

Q: What weight of KCN is equivalent to 30.00 mL of AGNO3 solution containing 15.00 g/liter (a) by the…

A: In the given problem, the amount of KCN that will be equivalent to 30.00 mL of AgNO3 solution having…

Q: What's the ppting agent of ferric ion and why nitric acid and hydrogen peroxide are added to…

A: The technique by which the ion amount or ions in a specific analyte are determined is called…

Q: What are the respective concentrations (M) of K+ and CO32-afforded by dissolving 0.530 mol K2CO3 in…

A: Given, Moles of K2CO3 = 0.530mol. Volume = 1.50L. The molarity of the solution can be calculated as

Q: The pH of a 0.2 M solution of CuSO4 is 4.0. Write chemical equations to explain why a solution of…

A: Copper (II) sulphate is a salt of sulphuric acid (strong acid) and copper (II) hydroxide (weak…

Q: What are the respective concentrations (M) of Fe3+ and I- afforded by dissolving 0.200 mol FeI3 in…

A: Calculate the molarity of ferric iodide then calculate the concentration of respective ions.

Q: a group 2 metal hydride MH2 (2.000 g) reacts with water to give a basic solution and 0.1520 moles of…

A: Group 2 metal hydride MH2 and it is completely react with water and give H2 .  MH2 + H2O…

Q: A 0.1017 g sample of KBRO, (MM=166.1) was dissolved in dilute HCl and treated with an unmeasured…

A: Given: Mass of KBrO3 = 0.1017 g. And volume of Na2S2O3 (or S2O32-) required = 39.75 = 0.03975 L…

Q: DF 50. Soution Na, (o3 wus dilutied 3 cm 67 0.2 moldni' 3 usith disbilled water to o obtain 250 cmB…

A: According to the law of equivalence,                               V1 × S1 = V2 × S2  Where V1 and…

Q: A 9.12g of KClMgCl26H2O is to be dissolved to prepare a solution in sufficient water to give 1.500L.…

A:

Q: Determine the CBOD and NBOD of 125 mg/L of CH;COOH solution. Assume the following reaction! CH3COOH…

A: Solution -

Q: (a) What compound precipitates when aqueous solutions ofFe21SO423 and LiOH are mixed? (b) Write a…

A: The chemical reaction occurs according to the stoichiometry of the reactants and products.

Q: How would you prepare 1 L of a 0.050 M phosphatebuffer at pH 7.5 using crystalline K2HPO4 and a…

A: Given: Phosphate buffer = 0.050 M  pH = 7.5 HCl = 1.0 M pKa = 7.2

Q: (a) How does the metallic character of an element correlate with the acidity of its oxide? (b) What…

A: a) Oxide of an element is more acidic when electronegativity of oxygen is greater than the element.…

Q: "hat is the water solubility of BaCO3 (Ksp=2.6 x 10) in a solution containing 0.40 M CO3"(aq)?

A: Barium carbonate is water insoluble, which means that combining it with water would lead to an…

Q: A 0.1017-g sample of KBro, (MM 167.0) was dissolved in dilute HCl and treated with an unmeasured…

A: To calculate the molar concentration of sodium thiosulfate using given volume , we need to calculate…

Q: What would be the potential of the couple at 22°C when [Sn4+]=1.00×10-6M and [Sn2+] = 0.89M?

A: The Nernst equation is shown below: Where; Ecell = electrode potential at any condition E0cell =…

Q: Describe the preparation of a. 600 ml of 5 75% (w/v) aqueous glycerol (C.H.OH, 46.1 g/mol) b. 600gof…

A: Percent (w/v) is a form of expressing the concentration of a solution, that is weight/ volume…