An aqueous solution is prepared by mixing 20.0 mL of 0.0065 M K3PO4, 30.0 mL of 0.015 M NaCl, and 25.0 mL of 0.018 M KCl and enough water to make 250.0 mL solution. Calculate the ionic strength of the final solution and the activity of each ion.

Q: Bleaching powder, Ca(OCI)CI, reacts with iodide ion in acid medium liberating iodine: OCI + I + H I...

A: (a).  Reactions proceed during the titration is ClO- (aq) + Cl- (aq) + 2H+ → Cl2 (g) + H2O (l).........

Q: balance

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: in high preformance liquied chromarography, what is a Bi phenyl , and what its application and mechn...

A: Generally, C18 columns offer the ability to resolve a wide variety of analytes without issue. Howeve...

Q: Nitrogen dioxide undergoes a reversible dimerization reaction according to the following equation: 2...

A:

Q: According to the following reaction, how many moles of copper(II) nitrate will be formed upon the co...

A: The complete balanced equation for the reaction of silver nitrate and copper is.       2 AgNO3 + Cu ...

Q: The atomic planes in a graphite crystal are separated by 335 pm. At what angle would you find the fi...

A:

Q: Which compound is the product of the following reaction sequence? Br2 Mg H+ PBr3 Mg 1. СО2 FeBr3 Et2...

A:

Q: Has very strong force of attraction and short relative distance. a) Atom b) Molecule Has very modera...

A: Atom: At atom is a tiny particle of a chemical element. Molecule: A molecule is a group of atoms tha...

Q: please answer only molality

A:

Q: A sample contains 0.687 mol H3PO3. What is the mass of H3PO3in the sample?

A: Given that, Moles of H3PO3 = 0.687 mol  Molar mass of H3PO3 = 82 g mol-1 Then,  

Q: Chemical Kinetics. The following mechanism has been proposed for the reaction of NO with Hz to form ...

A:

Q: Which of the following liquid solvents would BEST dissolve ionic compounds and why? Vegetable oil; i...

A: The solubility of a compound depends on the nature of the solute and the solvent. If the nature of b...

Q: hich of the following choices correctly arranges the given elements in increasing electronegativity:...

A: Electronegativity of an element is defined as the the tendency of element to pull the shared electro...

Q: Arrange the following set of atoms in order of increasing size. 1. Ba, Na, Ca 2. Al, Tl, Si 3. Ga, B...

A: We have been asked to arrange the given element according to size.

Q: > NEXT E Question 1/7 Exarmine the reaction showrn below. Using the rules provded, predict the react...

A: Potassium chlorate ( kClO3) with chlorate ClO3 break down into oxygen gas and chloride compounds. Th...

Q: Copper forms a complex ion with ammonia according to the equation: Cu + 4NH; Cu(NH;), 2+ Using the s...

A: Here the equilibrium reaction given is  Cu+2 + 4NH3 <=>[ Cu(NH3)4]^+2 . The solution contains ...

Q: What mass of carbon dioxide can be made by reacting 1.56 grams of sodium bicarbonate vith 0.687 gram...

A:

Q: A 70.0 gram metal bar is heated to 256 celsius then submerged into a well insulated calorimeter whic...

A: Given mass of metal bar Mb = 70g  Mass of water Mw = 50g  Complete solution is given below in next s...

Q: From the equation, what is the mass of NaOH when 5 g of Mg(OH)2 precipitates? What is its percent by...

A:

Q: PCl (g) = PC3 (g) + Cl2 (g) Select the equilibrium-constant expression for the reaction. K. = [PC15]...

A:

Q: At a particular temperature, K = 3.67 for the reaction   If all four gases had initial concentratio...

A: Given, NO2(g) + SO2(g) ⇌ NO(g) + SO3(g) Equilibrium constant (K) = 3.67 Initial concentration of all...

Q: arranging the letter parate sheet of nen

A: In this question we have to identify correct answer by arranging letters corresponding the source of...

Q: What is the soil moisture potential () at saturation (enter numerical value only)?

A: Soil water(moisture) potential is the measure of water content in soil. At saturation level it is co...

Q: b) Ме. Me Me Me Me Me. Me

A: Here we have synthesize the given compound from the starting material 5-methylcyclohex-2-en-1-one by...

Q: A major component of gasoline is octane (CH8). When octane is burned in air, it chemically reacts wi...

A:

Q: When KHCO3 is dissolved in water, how many particles will be in solution? Выберите один ответ: а. 3 ...

A: Given question is :  When KHCO3 is dissolved in water, how many particles will be in solution ?  Opt...

Q: Explain why the cyclopropenone shown below behaves less as a carbonyl compound than ordinary aliphat...

A:

Q: energy

A:

Q: To 1 cm of dilute sulphuric acid in a test tube add 3 X is colourless addition of dichromate (VI)and...

A: The test uses dilute sulfuric acid, potassium dichromate (VI) and an organic compound.

Q: ed: Increase in weight Decrease in weight| Increase in weight :

A: 1. Deliquescence is the phenomenon where a salt absorbs moisture from the atmosphere and dissolves i...

Q: For the following reaction, 9.90 grams of ammonia are allowed to react with 14.6 grams of oxygen gas...

A:

Q: Which of the following is part of the molarity equation? Check all that apply. moles of solute moles...

A: Given,  Molarity 

Q: 12. When 1-chloronaphthalene is treated with sodium amide, Na+NH2 , in the presence of piperidine, t...

A: Here we have to explain the mechanism of reaction when 1- chloronaphthalene react with piperidine in...

Q: The variation of Gibbs energies of different substances with pressure depends on the phase of the su...

A:

Q: A sample of copper oxide weighing 2.013 g is dissolved in acid, the pH adjusted, and excess KI added...

A:

Q: VII. Identify the property of water that explains why: 1. Humans can maintain their body temperature...

A: Solution: Properties of water- The water is universal solvents. All types of organic compounds are s...

Q: . What is the structure of the cyclic hemiacetal that is formed from the compound below there's an a...

A:

Q: Glycerin USP( specific gravity 1.25) costs $ 54.25 per pound .if students in a dispensing laboratory...

A: Here the cost of glycerine is $ 54.25 per pound. We have to determine cost of 1 pint glycerine .

Q: Which of the following samples of gases contains the greatest number of atoms? (Relative atomic mass...

A: 4th option is correct that is 13.0 g of C2H6

Q: According to the following reaction, how many grams of nitrogen monoxide will be formed upon the com...

A:

Q: Which process generally requires more energy? Fusion Vaporization Heating a substance by one degre...

A: The energy gained during vaporization requires 2260 Joules/gram, while the energy gained during melt...

Q: Many biochemical reactions that occur in cells require relatively high concentrations of potassium i...

A: Here is your answer,

Q: Green plants use light from the Sun to drive photosynthesis, a chemical reaction in which liquid wat...

A: Mole ratio - Is the ratio between amount in moles of any two compound involved in a chemical  reacti...

Q: a) Br benzene H3C --> benzene b) OH

A: a) The required synthesis is shown below.

Q: Determine the ground term symbols of a.) Mn b.) Mg* c.) V³* d.) 0²- e.) Cu* f.) 3+

A:

Q: SUGAR SOLUTION es this illus Tion, dissociation, or both? Justify your answer. H2O C6H1206(s) + C6H1...

A:  sugar  is  molecular covalent and non electrolyte compound so it is solvated not dissociated.  beca...

Q: For the following reaction, 27.6 grams of sodium chloride are allowed to react with 66.1 grams of si...

A:

Q: At a particular temperature, K = 2.6 x 10^-6  for the following balanced reaction: 2PCl3(g) + O2(g)...

A: Given :  K = 2.6 x 10-6  Moles of PCl3 = 2.5  moles of O2 = 2.0  Volume = 3.0 L   

Q: Select the more stable (canonical) structure for the compound below. Explain what makes one structur...

A: The electronic configuration of N(atomic no 7) is 2,5 that is to get more stable electronic configur...

Q: The reaction H2 + I2 = 2HI follows the rate law rate = K[H2][I2]  The rate constant for this reactio...

A: