The ionic strength of 0.30 M NaCl is: O 0.30 O 0.10 O 0.40 O 0.60 O 0.70

Q: 2. A common reagent is used to identify zinc and copper ions: A) Sodium sulide B) Potassium…

A: Specific chemical reactions are used to identify the presence of radicals in a compound. Ammonia is…

Q: A. calculate the volume of standard sodium hydroxide solution (~0.010 M) needed to completely react…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: What is the Molar concentration of 5000-1 ppm of Na2SO4 solution (At.w. Na=23, S=32, .O-16)

A: In this question we have to know the molarity from ppm by determining the molar mass of a substance.…

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Q: What volume (in L) of 1.2 M FeCl2 would be required to obtain 0.85 moles of CI- ions?

A: The molarity of a solution is calculated using the following expression,…

Q: A solution was prepared by dissolving 2.45 g of AgNO3 in water to give 0.5 liter. Calculate the…

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Q: What mass of sodium sulphate is required to prepare 500.0 cm3 of 1.30 M sodium sulphate solution?…

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the…

Q: Calculate the ionic strength (j) for a) the solution of AlCl3 (0.01 N) + Ca(NO3)2 (0.002 M)…

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Q: the ionic strength of a 0.05F H3PO4

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Q: What is the thickness of the ionic atmosphere (in nanometer, nm) for a solution of 0 29 mol/L of KCP…

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Q: XBr3-1: the oxidation state of X is:  b)  (NH4)2XO3 : the oxidation state of X is:

A: Oxidation number of an element represents the number of electrons lost or gained by the element. The…

Q: Explain why a dialysis solution must have a low sodiumion concentration if it is designed to remove…

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Q: A solution of Na,SO, has ionic strength of 0.24 m. The mean ionic molality of the solution is: 0.06…

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Q: What volume of HCI must be diluted to 250ml of water to obtain 0.6M solution from stock solution of…

A: Given : After preparation of solution, Volume of solution (V2)= 250 mL Concentration of HCl (M2 ) =…

Q: What is the pOH of 500 mL of solution containing 0.533 grams of Ca(OH)2 (molar mass 74.09 g/mol at…

A: pH + pOH = 14

Q: Calculate the ionic strength of 0.5M Al2(SO4)3.

A: Al2(SO4)3 ----> 2Al3+ + 3SO42- 0.5 M                1 M         1.5 M Ionic strngth = 1/2 ΣCiZi2…

Q: 6. The mass of K3PO4 needed to prepare 250.0mL of an aqueous solution in which PO. concentration is…

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Q: What is the ionic strength of a 3:2 electrolyte with a concentration of 0.100 M? O 1.5 M O 16 M O…

A: Solution is made up of two components: solute and Solvent. Component which is present in major…

Q: Write chemical equations to show what happens when each of the following substances is mixed with…

A: The chemical equations involve the reactants and the products. The reactants interact with each…

Q: The ionic strength of an aqueous solution containing 0.0087 M NaCI and 0.0020 M La(IO3)3 is: O a.…

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Q: The concentration of PO43 ions in (M) found in a solution of 3 M H3PO4 is (Ka1= 7.1X10-3, K,2=…

A: H3PO4 is a tribasic acid and it gives 3 protons on dissociation. These steps take place one by one.…

Q: 3. What is the percentage strength of a reagent solution prepared by dissolving 1.5 oz of silver…

A: The percentage of AgCl = 9.0% (option c).

Q: Tell whether the solutions are 0hysical or chemical change and explain A. Iodine sublimation B.…

A: Physical changes only change the appearance of a substance, not in chemical composition. Chemical…

Q: What volume of 0.00945 M solution of potassium hydroxide would be required to titrate 50.00 mL of a…

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Q: The coefficient for HNO3 IS _ when bolonced N2Os +H2O >_HNO 3

A: Coefficient of HNO3 in the given balanced reaction:

Q: The concentration of PO43 ions in (M) found in a solution of 3 M H3PO4 is (Ka1= 7.1X103, K22=…

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Q: What is the molarity of the salt produced in the reaction of 200 mL of 0.100 M HCl with 100 mL of…

A: Balancing a Chemical Reaction:-  Balancing a chemical equation is necessary so as to abide by the…

Q: km g of NA2CO3 must weigh to prepare 0.5 litre of 0.2 N solution *? Att. Wt (Na = 23, C 3D12, O =…

A: Answer:- This question is answered by using the simple concept of calculation of mass using the…

Q: The ionic strength of 0.10 M AI(NO3)3 is: O 0.10 O 0.70 O 0.30 O 0.20 O 0.60

A: Given,  Concentration (C) of Al(NO3)3 = 0.10 M  Find ionic strength of this solution  Options are :…

Q: Determine the oxidation state of X (a fictional element) in the following compounds/polyatomic ions,…

A: Given: Polyatomic name: Polyatomic formula: sulfate SO42- hydroxide OH1-…

Q: Explain why a solution Glucose and NaOH acts as reducing agent ?

A: Given: A solution Glucose and NaOH acts as reducing agent.

Q: A change in color of a hydrate salt after heating indicates the removal of water molecules. A True…

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Q: What is the mass of Potassium lodide (KI) that will dissolve in 50 g of water at 5°C? O a. 72g O b.…

A: Solubility product is a product of the concentration of ions with the power when the solution is…

Q: 9. Write chemical equations to show what happens when each of the following substances is mixed with…

A: Water is a universal solvent and can dissolve most of the polar compounds.

Q: 28. Calculate the mass percent concentration of 16.1g CaCl, mixed with 113.9mL water. (ImL=lg)

A: Topic-- Finding the mass percent concentration of CaCl2

Q: A solution was prepared by dissolving 2.45, g of Ag2SO4 in water to give 0.5 liter. Calculate the…

A: Given data contains, Mass of Ag2SO4 is 2.45 grams. Volume is 0.5 liter.

Q: 2. Determine the volume of 0.10 M potassium thiocyanate needed to prepare 100.00 mL of a 0.00100 M…

A: Ans. According to law of similarity:           N1V1=N2V2…

Q: What will be the molarity of a solution of 0.1 M HCI of volume 2 lit if it is diluted to6 lit ? 6 M…

A: Given, the initial molarity of HCl = 0.1 M Initial volume of solution= 2 liter Final volume of…

Q: Write Kc or Kp of the following: 1. 2N2O5 (g)     ↔      4NO2 (g) + O2(g)

A: A question based on equilibrium concept, which is to be accomplished.

Q: Which barium solution is saturated? O 6.75x10 M BaCO3 (Ksp-5.0x10 O 1.40x10 M BaCrO4 (Ksp-2.1x10 1…

A: BaCO3 : Reaction quotient : Q = Ba2+×CO32- = S×S = S2 = 6.75×10-52 =4.56 ×10-9  Q < Ksp ; it is…

Q: 6. Calculate the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity…

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Q: Chlorine nay be prepared in the laboratory from concentrated hydrochloric acid by heating it with A…

A: CHLORINE  IS  HALOGEN ATOM   VII GROUP ELEMENT AT ROOM TEMPERATURE  YELLOW- GREENISH GAS REACTIVE…

Q: The ionic strength of 0.10 M AI(NO3)3 is: O 0.30 O 0.10 O 0.70 O 0.60 O 0.20

A: Given: Concentration of Al(NO3)3 = 0.10 M Since Al(NO3)3 is an ionic compound which will dissociate…

Q: What is the number of grams of aluminum sulfate needed to prepare a standard solution with a…

A: Given that -  Molarity of Solution = 0.15 M  Volume = 1 L = 1000 mL  Atomic weight of Al = 27 g/mol…

Q: Chapter 3 9 of 20 - / 1 Calculate the theoretical percentage compositions for NO %N = i %O = i %…

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Q: Calculate the number of mole of NaOH needed to prepare 250 mL 0.30 M NaOH solution. [Relative Atomic…

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Q: Calculate the molar concentration of HNO3 (63.0 g/mol) in a solution that has a specific gravity of…

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Q: Based on the conductivity, identify the type of bonding that occurs in each solution.   1.…

A: Given : Different type of solution.  To find : type of bonding on the basis of conductivity.…

Q: is the number of grams of aluminum sulfate needed to prepare a 0.15 titer solution, 32 = 27 = Al)…

A: Given that -  Molarity of the solution = 0.15 M  Atomic mass of different elements are -  Al = 27 ,…

Q: What are the steps to take to find the solution for the following problem: 1037.78 ÷ 3.2 × 0.1?

A: We will apply the BODMAS for this equation.  The order of solving such problem is  B = bracket O =…