325 mL of 0.25% (w/v) KCl  solution I would weigh out _____  g KCl and add water to dissolve, then add water to the ______  mL mark of the flask. Finally, I would cap the flask and shake it to ensure the solution is homogenous.

Q: prepare 300 mL of 0.5 M MgSO4 from a stock solution of 2.0 M of MgSO4?

A: Given: C1=Concentration of stock solution=2.0 MC2=Final Concentration =0.5 MV2=Final volume=300 mL…

Q: How many mL of 2.50% (m/v) salt solution would contain 1.80 g of salt?

A: →m/v% =2.50%       Mass of solute =1.80g       Volume of solutionv=?        m/v% =Mass of…

Q: I need helping solving these please explain in the most simplest way so I can understand how to do…

A: Three numerical problem based on quantitative analysis, which is to be accomplished.

Q: Dilution Problems Worksheet (M1V1 = M2V2) 1. How much of a 15.0 M stock solution do you need to…

A: Hydrogen fluoride is a chemical compound which have chemical formula HF. This is colourless gas or…

Q: A 6.0 M solution of HCI is diluted to 1.0 M. How many milliliters of the 6.0 M solution would be…

A: Given: Initial molarity of HCl solution = 6.0 M Final molarity of HCl solution = 1.0 M Final volume…

Q: 2. Boil 1 Lof distilled water for 5 min to expel CO2. Pour the water into a polyethylene bottle,…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: How to make 80 micro mol Nacl solution ( mwt NaCL 55.8)? How to make 50 mili molar NaCL solution…

A: In order to solve this question, we will be using basic mole concepts and finding out the amount of…

Q: How many mL of 3.50 M H2SO4 solution is needed to prepare 250 mL of 1.25 M H2SO4 solution

A: Given data:  Initial molarity of H2SO4 (M1) is 3.50 M Final volume of H2SO4 (V2) is 250 mL. Final…

Q: You are using a 3.0% (w / v) glucose solution and should prepare 100.0 ml of a 1.0 mM glucose…

A: 1) Given: % (w/v) of the glucose solution = 3.0 % Volume of final solution to be prepared = 100.0 mL…

Q: Commercial hydrochloric acid is 12.1 M. What volume of commercial HCI solution should be used to…

A: Given: Concentration of commercial hydrochloric acid(C1)=12.1M Concentration of dilute hydrochloric…

Q: Examine the solubility chart below and answer questions 5-12 a00 Sugar 200 KNO, 220 180 NANO, 140…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Refill the burette with the standardized 0.5 M NaOH solution provided. Record the initial volume of…

A: Moles of NaOH required = Moles of vinegar (acetic acid) neutralized

Q: Note: Kindly provide a solution pls. The answer is already provided. Thank you! 1.20 A high…

A: Answer is attached below

Q: You need to make 4 liters of 0.8% NaCl solution. Indicate how you would make it from powdered NaCl.…

A: The amount of NaCl needed to prepare 4L solution is determined as, 8.  Mass of NaCl needed ⇒…

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

A:

Q: A 50 ml solution of 1.2 M NaCl is diluted to 100 mL. What is the new concentration?

A: When a single type of solution initially has a fix concentration and then we mix some amount of…

Q: To what volume should you dilute 124 mL of an 8.05 M CuCla solution so that 49.0 mL of the diluted…

A:

Q: A solution is made using 134.1 ml of phenol (density 1.090) and 500.0 ml of water (density 1.000).…

A: Given : Volume of phenol = 134.1 mL Density of phenol = 1.090 g/mL Volume of water = 500.0 mL And…

Q: The freezing point of a 4% aqueous solution of pilocarpine nitrate is -0.56 °C. a. Is a 4% solution…

A: On the basis of concentration , a solution is called i) hypertonic, if it has higher concentration…

Q: Calculate the molarity of 15.4 g of sucrose (C12H22O11) in 74.0 mL of solution, [Molar mass of…

A:

Q: You need to prepare 2.6L of 3xTAE. You know that 50xTAE requires 242g of Tris Base, 57.1ml of…

A: To prepare 1 L of 50xTAE, we require:   Constituent                         AmountTris base…

Q: Using the vale of 300 mOsmol.L-1 for plasma answer the following questions: A 2.0 L solution…

A: Given: Osmolarity for plasma = 300 mOsmol.L-1

Q: How do you convert experimental solubility into grams per 100ml of water and kg per metric ton of…

A:

Q: Calculate the final concentration when a 28.0 mL sample of 25% (m/v) sodium chloride solution is…

A:

Q: A commercial bleaching solution contains 13.6% (v/v) of sodium hypochlorite, NaOCI. What is the…

A:

Q: What volume of water at 20.0 C (d 0.9982 g cm3) is needed to dissolve 33.3 g of sucrose to make a…

A:

Q: Dilute HCl (MW = 36.5 g/mol) contains approximately 10%(w/v) HCl. How many mL of dilute HCl is…

A:

Q: How many mL water must be added to produce a. 625 mL of 1.00M solution from 6.00M solution? b.…

A: a)Given: M1= 6.0M M2= 1.00M V1 = ? V2= 625mL for dilution M1V1=M2V2  V1 = M2V2/M1 = 1.00 x 625/6.0 =…

Q: mL

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Q: A solution of sulfuric acid was made by dissolving 20.0g of 98% sulfuric acid in a 250mL of water.…

A:

Q: Dilutions From a 2.0 M Stock Solution 39 SEP Interpret Data The table shows the volume (Vstock) of a…

A: M1 = 2.0 M V1  =  ?  M2 = 0.5 M      ( mol/L  = M ) V2 =  1 L    M1 × V1  = M2 × V2 2.0 M × V1  =…

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

A:

Q: Given that the solubility of salicylic acid at room temperature is 0.2 g/100 mL of water? How much…

A: Solubility is the maximum amount of any compound or substance (Solute) that can be dissolved in…

Q: Solute: H2SO4 Composition of Solution: mole% H2SO4 = 40 % Density, g/mL: 20 degrees: 1.681 ; 80…

A: In the question, we have a solute given which is Sulphuric acid  The molecular weight of sulphuric…

Q: 18. How much ml of ethanol is needed to make 2000ml of an aqueous 15% (v/v) solution? A. 3000 mL B.…

A:

Q: What is the final molarity of sodium thiosulfate pentahydrate for each of the runs? Given: the…

A:

Q: 4 grams of  Na2CO3 (MW = 105.99 g/mol) was dissolved to make 300 mL solution. It was found to have a…

A:

Q: How many ml of a sodium hydroxide solution with a concentration of 40g/100cm3 should be measured out…

A: Here we are required to find the volume of stock solution required to prepare 200cm3 of 0.5 M…

Q: iven the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How…

A: Stock solution of 0.019 M ascorbic acid                                 Ascorbic acid present in a…

Q: Examine the solubility chart below and answer questions 5-12 300 Sugar (C12H22O) 260 KNO 220 180…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: aneah needs to make 350.0 mL of a 0.150 M H2SO4 solution. What volume (in mL) of concentrated H2SO4…

A: The acidity of an acid is measured by calculating the number of H+ ions it liberates when dissolved…

Q: Qestion attached

A:

Q: What volume of 5.00 M NaOH stock solution is needed to prepare 100.0 mL of 0.250 M NaOH solution?…

A: Since the moles of NaOH in final solution should be same as the moles of NaOH we are taking Hence…

Q: 1. What is the % volume of a 100.0 mL solution that contains 3.50 mL acetic acid? 2. Rubbing…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: Calculate the molar -4 concentration of 20 g of cane sugar C12H22011 dissolved with 125 g of water…

A: The molar concentration or molarity of a solution is defined as the number of moles of solute…

Q: You have 0.5 ml of a stock solution of 1 mg/ml BSA. You need at least 200 µl of the solutions listed…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: You want to make a stock solution that is 12.2 M K*. You have potassium chromate salt (MM=194…

A: Molarity of the K+ ions solution to be prepare M1 = 12.2 M Molar mass of Potassium chromate (K2CrO4…

Q: Barium hydroxide weighs 10 g having 171.34 g/mol, what is its van't hoff factor? what is its celcius…

A: Given:  Mass of Ba(OH)2 = 10 gm  Molar mass of Ba(OH)2 = 171.34 gm/mol  Volume of water = 500 ml

Q: How many mL of 0.190 M HCl solution are needed to provide 1.50 mole of HCl?   7.89 mL 127 mL…

A: We are given HCl solution whose molarity=0.190M Moles Of HCl=1.50 mol

Q: Which of the following is the reason why mg solute/kg solution can be approximately equal to the mg…

A: Calculations have been done in the following step.