Why do solutions need to be standardized? A to know concentration of solution to high precision B to determine unknown C to fill buret properly D to know mass of sample

Q: e mass of the solution?

A:

Q: A chemist prepared 100 mL of a 335.1 mM solution of manganese chloride by diluting a 9.87 M stock…

A: Given, Stock solution: Molarity of the stock solution (M1) = 9.87 M Volume of the stock solution…

Q: Part A The forensic technician at a crime scene has just prepared a luminol stock solution by adding…

A: In this question, we want to determine the Molarity of the luminol Solution.  You can see details…

Q: Use the information and table to answer the following question. A student wants to determine how…

A: From the above table. The following conclusions are given

Q: The mass fraction of B in a solution is 0.17. Calculate, in g, the mass of the solution that…

A: We have to calculate the mass of solution.

Q: What volume in mL of 0.100 M solution would contain 65 mg of ethanol?

A:

Q: Solution A was made by mixing a few grams of salt and a few grams of water. After mixing, it was…

A: saturated solution is a solution in which no more solute can be dissolved at constant temperature

Q: If 21 mL of 1.0 M NH4Cl is used what volume does it need to be diluted to in order to make a 0.12 M…

A:

Q: Calculate the volume of an 2.1 M KCI solution that contains 284.2 g of KCI. Report your answer with…

A: In this question, we have to calculate the volume of solution in litres by the help of Molarity…

Q: Calculate the percentage concentration if 37 g of potassium chloride are contained in a 700- mL…

A: Given: Mass of potassium chloride = 37 g The volume of the solution = 700 mL

Q: A crystal of solid NaCl is placed into an aqueous NaCl solution. it is observed that more crystals…

A: Given, Crystal of solid NaCl is placed into aqueous NaCl solution  and no more crystal is dissolved.

Q: Calculate the molarity of a solution made by diluting 0.052 L of 0.21 M HCI solution to a volume of…

A: The number of moles present in solution before and diluting the solution will be equal.  The…

Q: Using the concentration measured and the volume of solution on your screen: Concentration: 0.300…

A: known: Concentration: 0.300 mol/L Original Volume: 0.5 L unknown: mass of Nicl2 ? concentration of…

Q: Complete the table below and show the complete and correct solution. a. 105.9g/mol b. 100.9 g/mol…

A: Graham's law:

Q: Calculate the molar solubility and Ksp of borax at each of the measured temperatures.  Equations…

A:

Q: [References) Use the References to access important values if needed for this question. In the…

A:

Q: % composition o

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

Q: What are the techniques used to standardize a solution?

A: Standardization of a solution can be defined as a way of finding accurate cocentration of that…

Q: Analyze the figure below and describe what happens to the colligative properties when solute is…

A: A diagram question based on colligative properties, which is to be accomplished.

Q: A solution is the same as a compound homogeneous mixture heterogenous mixure element

A: The homogeneous mixture of two or more substances is known as a solution. The solution is made from…

Q: Which is not required in recrystallization? a. solution is filtered at high temperature b.…

A: Remember this point, recrystallization is used for purify the crude sample of compound so that all…

Q: Calculate the molarity and the mass-volume percent solution obtained by dissolving 107.9g H3PO4 into…

A: Given: Mass of H3PO4 = 107.9 g The volume of the solution = 649 mL Standard data: The molar mass…

Q: I have 6 tubes with the contents labeled. How can I make a 20% concentration serial dilution? Please…

A: Serial dilution: A serial dilution is any dilution in which the concentration decreases by the same…

Q: What is the narrow graduated piece of glass equipment called?

A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…

Q: CALCULATE FINAL CONCETRATION INCLUDE UNITS AND 2 SIG FIGS A 43.5 mL sample of an 7.5 %(mm/vv) KBr…

A: Given : Volume of sample, V1= 43.5 ml Mass by volume percentage of kbr solution =7.5% Final volume,…

Q: alt A solution was prepared by dissolving 1.058 g of NAOH pellets with 100 mL of distilled water and…

A: Here 1.058 gram of NaOH pellets was dissolved in 100 ml distilled water and then transferred to…

Q: Calculate the number of grams of unknown solute (MW = 56.105 g/mol) in 250.0 mL of a 0.169 M…

A: Answer Option A) 2.37 g

Q: Find tha density of 1.19 g/ml and contains 37.0e molarity of Solution of Hcl that has (w/w %) How…

A: Given , Density of HCl=1.19 g/mL Solution concentration=37%(w/w)

Q: Find grams of solution in a 22.5 %mass solution of X that has 17.0 g(solvent):

A: Given: Mass percent of X in solution = 22.5 % And mass of solvent = 17.0 g.

Q: This image shows that the initial volume of a sodium phosphate solution was 357 mL, with a molarity…

A: ⁹

Q: What volume of the stook solution (Part A) would contain the number of moles present in the diluted…

A: Mass of Luminol = 19.0 g Molar Mass of Luminol = 177.16 g/mole Moles of Luminol =Mass of luminol /…

Q: 2.00 grams of Sodium hydroxide was dissolved in water up to 500 mL. Calculate the : Normality of the…

A: Solution -

Q: CALCULATED VALUES VOLUMES Calculate the volume of each solution, volume of water and the total…

A:

Q: (29)If 25.0 mL of urine has a mass Of of solute, and contains l,99 whatis thé mass mass percent…

A: Given: Volume of urine (solution) = 25 mL Mass of urine (solution) = 25.725 g Mass of solute = 1.929…

Q: Components of the solution that is usually present in small amount is called? Select one: a.…

A: Solution is made up of solvent and solute.

Q: Given a solid sample that contains impurities, how would you determine which solvent to use for…

A: A solid sample that contains impurities.

Q: 20.00 mL of solution contains 0.010 moles of NaOH. Calculate the molarity of the solution. In the…

A:

Q: 5b

A:

Q: Calculate the molarity of a solution made by diluting 0.058 L of 0.11 M HCl solution to a volume of…

A: Given :-  Initial concentration of HCl solution = 0.11 M  Initial volume of HCl solution = 0.058 L…

Q: A student must prepare 5.000 L of 0.2500 M Na2CO3 (105.99 g/mol). Which is the best procedure for…

A: Given Volume of solution = 5 LMolarity of solution = 0.25 MMolar Mass of Na2CO3 = 105.99 g/mole

Q: The volume of the solution can never be less than the volume of the solvent. a) True b) False

A: The  formula is C = m/V, where C is the concentration, m = mass of the solute dissolved, and  V =…

Q: 1. What type of dilution is this? 2. Please place the dilution factor under each tube 3. Which is…

A: Since you have posted questions with multiple sub-parts we will solve the first three for you. To…

Q: Complete the following table as directed: Do not include units Report answers with the appropriate

A: Molarity is number of moles dissolved in per litre of the solution

Q: What volume of 40% w/w HCI (36.5) density 1.198 m/ml must be diluted with water to obtan excatly 250…

A: To get 250 mL of 1.0 F concentration of HCl we need to calculate stock formula concentration of HCl.

Q: 11  A type of solutions that contains the maximum amount of solute that is capable of being…

A: Solution has two part- a solvent and a solute. There are various types of solution such as…

Q: A type of solution that contains the maximum amount of solute that is capable of being dissolved is…

A: A type of solution that contains the maximum amount of solute that is capable of being dissolved is…

Q: SAFETY: When injecting a sample solution it is important to O hold the syringe with two hands; one…

A: Using concept of laboratory safety.

Q: A test tube is prepare using a concentrated stock solution with a concentration of 10.4 mg/mL. The…

A: According to question, test tube has 357ul i.e 0.357ml of stock solution  So, mg of stock solution =…