Question 3 W Students were asked to prepare a4 M solution of sodlum chlaride for a laboratory eperiment. Which THREE of the folowing particle diagrams could represent the solution

Q: Prepare 250 ml of a standard solution of sodium carbonate (106g / mol) at a concentration of 0.3N?

A: Calculation of mass of sodium carbonate:                   Concentration of standard solution = 0.3…

Q: How many miliequivalentsare there in 50ml of 0.2M H2SO4

A: Answer :-- Here, we have to determine the moles of H2SO4 in the solution, using the formula are…

Q: How many grams of NaCl are contained in 100.0 mL of a 2.64 M solution?

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Q: What mass of Na3PO4・12H2O would be needed to prepare 0.250L of a solution in which the Na+ ion…

A: Concentration of Na+ ion = 0.250 mol/litre  Volume of solution = 0.250 L  Molar mass of Na3PO4.12H2O…

Q: Concentrated nitiric acid is 16M. What volume of HNO3 is diluted with distilled water to prepare…

A: We have concentrated Solution as 16 M, final volume is 5 Liter of 0.1 M. We have to predict the…

Q: I have 300 mL of a 3.0 M HNO3 solution. What will the molarity be if I dilute my solution to 900 mL?

A: Here given, Initial volume (V1) = 300 mL Initial strength (S1) = 3 M Final volume (V2) = 900 mL…

Q: What volume (in L) of 1.40 M FeBr₂ would be required to obtain 0.890 moles of Br⁻ ions?

A: Molarity = number of moles/volume in Litre Given, molarity = 1.40 M  Number of moles of Br- = 0.890…

Q: How much in mL of the stock solution did you use?  How much water in mL did you add?  What is the…

A: Molarity is the number of moles of solute dissolved to make 1L solution. The purpose is to make…

Q: Which of the following is/are non-electrolyte(s)? Multiple answers: Multiple answers are accepted…

A: To identify: Non-electrolytes.

Q: How many mL of 0.265 M H3PO4 would be required to neutralize 64.3 mL of a 0.250 M Ba(OH)2?

A: To neutralize the reaction we required 42.8 mL of H3PO4.

Q: Prepare 50 mL of the following acid solutions by using the given 38% concentrated HCl and 98%…

A: Given that -  Volume of acid solution of HCl = 50 mL  Volume of acid solution of H2SO4 = 50 mL…

Q: Which of the drawings above represent a solution formed by placing an ionic compound in water?

A: Since water is indeed polar solvent ionic compounds shows higher solubility into the water.

Q: What is the molarity when 0.668 moles of KNO3 is dissolved in 515 mL?

A: We know that, the term''molarity'' is defined as the number of moles of solute dissolves in per…

Q: fine the mass (g) of the solute  135ml of 2.01M HNO3

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Q: 7. What weight (in grams) of H₂SO4 would be needed to make 750.0 mL of 2.00 M solution?

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Q: Calculate the molarity of 0.5 moles NaHCO3 in 3,155 mL of solution.

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Q: How do you prepare a 5 M of CaC2O4 in a 300 mL solution?

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Q: 10.00 mL of 1.10 M  HCl  diluted to 0.450 L

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Q: What volume of water is required to make a 0.03 M MgCl2 solution staring with 4.95 g of MgCl2.…

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Q: How many grams of cobalt (II) chloride hexahydrate, CoCl2 6H20 would need to be used to make 250 mL…

A: Given : The solute is cobalt (II) chloride hexahydrate i.e CoCl2.6H2O. Volume of solution = 250 mL =…

Q: Prepare 1.5L of a 2M sulfuric acid aqueous solution.

A: Amswe is given below

Q: How many mL of 0.900 M K2SO4 solution should be taken to prepare 250 mL of 0.450 M K2SO4 solution?…

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Q: Calculate the volume of 6.36 M acetic acid needed to prepare 555mL of 0.953 M acetic

A: Molarity is defined as number of moles of solute dissolved in 1 litre of solution

Q: 1. How many grams of Ca(OH)2 are needed to neutralize 25.0mL of .100M HN03? The reaction proceeds as…

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Q: 01: Find the weight of NA2C204 (FW= 134.00 g/mol) required to prepare 250 mL of 0.1000 M NazC204…

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Q: 2Lwhat is the molar concess tration bydragenion. in salutian af pH Jalue-

A: Given  PH   = 4  [H+]  = ?

Q: If you want to prepare a Sodium Hydroxide solution (40g/mole) (0.3M) in (250 mL) volumetric flask, *…

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Q: Prepare 750ml of 1.5M KNO3. Show complete solution

A: Given,  Volume of solution = 750 ml     ( 1mL= 0.001 L )                                    = 0.75 L…

Q: How many mL of a 15 M HCI(ag) stock solution would a teacher need in order to prepare 100mL of a 3M…

A: Given information: Concentration of HCl = 15 M New concentration of HCl = 3 M New volume of HCl…

Q: What N (normality) is made by diluting 50 ml of H2SO4 (den. = 1.08; 11.6% by weight to 1.0 liter…

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Q: A 809 mL NaCl solution is diluted to a volume of 1.40 L and a concentration of 5.00 M . What was the…

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Q: Prepare 2. Serum vitamin C concentration is 0.9mg/dL. Express this concentration in umol/L…

A: The solute in solvent is called solution. The amount of solute in solvent is measure in terms of…

Q: How many mL of ethanol must be mixed with water (H2O; D = 1.00 g/mL) to get 250 mL of 1.25 m…

A: The volume of the solution is 250 mL, The molality of the solution is m = 1.25 m, The density of…

Q: How many moles of ammonium nitrate are in 545 mL of an aqueous solution of 0.255 M NH4NO3?

A:

Q: How many mL of 2.0M AgNO3 solution are required so that we hav 20 g of AgNO3?

A: The concentration of a solution is described as the dissolved amount of a solute in the given…

Q: A 15% w/v (NH4)2SO4 standard is needed. How much solute would be needed to make 50 ml?

A: Percent mass by volume is defined as the mass of solute(in gram) divided by the volume of solution(…

Q: Please don't provide handwritten solution ....

A: Step 1:Step 2:Step 3:Step 4:

Q: You need 50 millilitres of a HCL solution that is 0.02N. You have on hand 0.5N solution. How would…

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Q: ?Which of the next is a weak electrolyte NH3 H,SO, Ca(OH)2 C,H1206

A: Electrolytes are the ones which produce the ions and are good conductors of electricity.…

Q: How many moles of Na2CO3 are there in 10.0 L of 2.00 M solution? Show a clear solution.

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Q: How many milliliters of a stock solution of 5.00M CaSO4 you would need to prepare 200.0 mL of 1.00M…

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Q: how many milimeters of 0.225M H3PO4 would be neede to react exactly with 20.0mL of 0.135M NaOH?

A: First, we need to understand the chemical reaction between H3PO4 and NaOH. The balanced chemical…

Q: 14. Calculate the %(w/v) concentration of a solution containing 7.8 g of FeSO4 in 103 mL of…

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Q: How many millimoles of Na+ are present in 150 mL of 0.30 M Na₂SO4 solution? a) 45 b) 90 c) 140 d)…

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Q: Which moleculesubstance do you expect to best dissolve in water? O O O О OH OH

A: Hydrophobic groups decrease while hydrophilic groups like keto, alcohol or amine increase the…

Q: 9. A technician is preparing a 40% solution. What volume of stock solution should be use to prepare…

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Q: What volume of water is required to make a 0.09 M MgCl2 solution staring with 0.33 g of MgCl2.…

A: We know that, Molarity = Number of moles/Volume (L) Number of moles = Given mass/Molar mass Molar…