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: Find the milliters of 0.250 M KOH needed to neutralize 135.0mL of 0.856 M H3 PO4. Write and balance…

A: Given: KOH solution: Concentration of KOH solution = 0.250 M = 0.250 mol/L Volume of KOH solution =…

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 millilitres of 0.132 mol L-1 HCIO, solution are needed to neutralize 50.00 mL of 0.0789 mol…

A: In acid-base titrations, equal equivalents of acid and base react, and neutralisation takes place.

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: 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: Which of the following is considered a STRONG electrolyte?

A: strong electrolytes are very good conductors of electricity in aqueous solution.  for conduction of…

Q: If you want to know the molarity of the solution of H2SO4 is accurate, What information do you…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

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

A:

Q: How much 0.1M NaOH can be prepared from 300 ml of 5.0M stock solution of NaOH

A: Answer - According to the question - Given values are - M1 = Molarity of NaOH (initial) = 5.0 M M2 =…

Q: Q2) Explain in detail how you prepare 500 ml 0,3 M of Hydrochioric Acid solutinn in the chemistry…

A:

Q: A. The Lewis diagram for H₂0 is: HO-H The electron-pair geometry around the O atom in H₂O is There…

A: Answer:- This question is answered by using the simple concept of determination of geometry of a…

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

A:

Q: What is the volume of a solution that is 0.2 KMr04 that is required to prepare 200 mL of a solution…

A: We have main solution as 0.2 M , we have to prepare 200 mL of 0.02 M solution, we have to calculate…

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: 31. Which pair of compounds will form a solution? A) Benzene (C6H6) and hexane (C,H14) B) Na2SO4 and…

A: The solution can be defined as the mixture of two or more than two solvents. It can also be formed…

Q: What is the concentration (in mol L) of SO4² ions in the final solution?

A: The reaction happening in the titration reaction is H2SO4 + 2NaOH = 2H2O + Na2SO4 Hence it is clear…

Q: How many moles of C2H5OH are there in 44.0mL of 0.250 M C2H5OH

A:

Q: How would you prepare the molar solutions of followings? 1 mM NaOH IN H3PO4 i) ii) iii) 0.15 m KMNO4

A: The solutions are given below -

Q: How many moles of CH3OH are there in 54.5mL of 0.400M CH3OH?

A: Given :-  Molarity of CH3OH solution = 0.400 M  Volume of solution = 54.5 mL  To calculate :-  No.of…

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, *…

A:

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 is the molarity of Q Solution preppared 25g 7e4aSの

A: Here we have to calculate molarity of solution-

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

A:

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…

A:

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: Sandra wanted to prepare a 10M solution of koolaid but she only had 5 moles on solute. How many…

A: Given the concentration of solution =10 M moles of solute =5 molwe are asked to calculate the volume…

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 milliliters of 11.0 M HCl(aq) a V = are needed to prepare 545.0 mL of 1.00 M HCl(aq)? mL

A: We have to calculate the amount of milliliters of 11.0 M HCl(aq) are needed to prepare 545.0 mL of…

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…

A:

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: Which of these aqueous solutions will NOT conduct electricity well? (Choose all that apply, wrong…

A: The objective of the question is to choose the aqueous solution that doesn't conduct…

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

A:

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

A:

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

A:

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: Suppose that 9.71 mL of 0.01918 M aqueous H2SO4 is required to neutralize 10 mL of an aqueous…

A:

Q: how many grams of na2so4 are required to make 0.350l of 0.500m na2so4?

A:

Q: How many moles of K2CO3 are in 730ml of a 2.99M solution?

A: Given data is Molarity of K2CO3 solution=2.99 M  Volume of the solution= 730 mL