1) Find the mass of potassium hydroxide and water needed to make a 5.80 % wt solution. 2) Find the normal concentration of a 150 g solution of phosphoric acid (H,PO4) with a density of 1.17 g/mL and concentration of 34.9 % wt.

Q: Calculate the molarity of the solution that results when 8.5 ml of CH3OH (methyl alcohol or…

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

A: The dilution formula is given below.M1V1 = M2V2M1 = molarity before dilutionM2 = molarity after…

Q: sodium acetate solution (NaC2H3O2) contains 11.5 grams in every 639 mL. What is the concentration of…

A: Molarity is defined as total number of moles of solute present in 1000 ml of solution Molarity =…

Q: What volume of stock 15 M HCI would be required to prepare 250 mL of a 3.0 solution? (dilution)

A: To calculate volume of stock solution of 15 M HCl required will be calculated by using "Dilution…

Q: 3. A series of dilute NaCl solutions is prepared, starting with an initial stock solution of 0.100 M…

A: Given that -  Molarity of stock Solution of NaCl = 0.100 M  Volume of stock Solution = 10 mL…

Q: A Calculate how many grams of chemical would be required to prepare the following solutions . a )…

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Q: A 1.00 L NaCl stock solution has a molarity equal to 0.5 M, what is the final concentration when 200…

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Q: If 1.50 mL of a stock solution of 12.0 M HCl is diluted to 25.0 mL, what is the new concentration?

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Q: A student prepared a 0.12 M solution of NaOH with a volume of 66 mL. What was the original…

A: Concentration of original solution can be calculated using molarity equation :         M1V1 = M2 V2…

Q: 2. What is the concentration of a solution that contained 0.3 moles of solute dissolved in 50mL of…

A: Moles of Solute = 0.3 mol Volume of Solvent = 50 mL = 0.050 L   We know , # Molarity ( Concentration…

Q: 7a) Calculate the number of grams of hydrogen peroxide contained in 25.0 mL of a 3.60 M solution.…

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Q: B. Answer the following questions. Show calculations where applicable. Observe the use of…

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

Q: Find the Molarity of a solution that contains: 0.0164 moles KBr in 145mL solution. 35.6 grams of…

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Q: If 240 mL of water is added to 13 mL of 5.0 M NaCI solution, what is the concentration of the dilute…

A: • The values provided in the question are:-    i) Initial volume of NaCl solution, V1 = 13 mL  ii)…

Q: 3. what. mass in 2.0 x 10-5 M grams of HN03 is in 500ML Solution of HNO3?

A: Molarity of HNO3 = 2.0 x 10-5 M  Volume = 500 mL = 0.5 L

Q: If a chemist wishes to dilute a 1.000 x 103 mg/L stock solution to prepare 5.000 x 102 mL of a…

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Q: In order to prepare 10% 100 mL of HCl solution from 37% HCl solution, how many mL of concentrated…

A: For Concentrated HCl solution : Concentration, C1 = 37 % Volume, V1 =? For New HCl solution :…

Q: How many moles of solute particles are present in 7.64 mL of 0.249 M K3PO4? When you have your…

A: Given:Concentration (Molarity) = 0.249 M.Volume = 7.64 mL = 7.64×10-3 L.

Q: What is the volume of a 2.34 M NaOH solution needed to make 150.0 mL of a 0.800 M NaOH solution

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Q: How many grams of NaCl (MW= 58.44 g/mole) are needed to prepare 250 mL of a 0.10 M NaCl solution?

A: Molar concentration or molarity is defined as the number of moles of solute per volume of the…

Q: If 32 mL stock solution of 6.5 M H2SO4 is diluted to a volume of 500 mL . What would be the…

A: Given: V1 = 32 mL M1 = 6.5 M V2 = 500 mL

Q: concentration expressions? Identify what is being asked in each item. CHOICES:  M % w/w X % v/v m…

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Q: Starting with a stock solution of glucose with a molarity of 0.750 M, four solutions are prepared by…

A: Molarity of stock solution = 0.750M Using the dilution factor formula, we can calculate the molarity…

Q: Find the Molarity of a solution that contains: a. 0.0164 moles KBr in 145mL solution. b. 35.6…

A: The general formula required to determine the molarity value is Molarity(M) =Moles of solute Volume…

Q: 2. What volume of 0.300 M NaCl can be prepared from 500. mL of 1.80 M NaCl? 3. How much water needs…

A: The answer to the following questions are given as:

Q: Calculation of the amount of stock solution needed to prepare 100 mL of 0.1 M of sugar solution.

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Q: What volume in mL of a 5.0 M stock solution of ammonia (NH3) is needed to make 3.0 L of 1.40 M…

A: Given is, N1=5.0 M V1=? N2= 1.40 M V2=3.0L

Q: Help

A: Given, Initial molarity of stock solution, M1 = 2.50 M Final molarity of the solution, M2 = 1.25 M…

Q: Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol…

A: Volume of solution = 163 mL  Volume of solution in L = 0.163 L  Molarity of solution = 3.108 M  We…

Q: What is the molarity of a solution made when 10 kg of Sugar are dissolved to make 100 liter solution

A: As per bartleby guidelines I answered only first question so please don't mind.Thanks in advance.

Q: 90 NANO, 80 70 60 CaCl 50 Pb(NO,)2 40 NaCi 30 KCI 20 KCIO, 10 Ce,(SOJa O 10 20 30 40 50 60 70 80 90…

A: Given data: The temperature of a saturated solution of Pb(NO3)2 = 30°C. The mass of Pb(NO3)2 that is…

Q: what volume of solution in liter is required to make a 0.3 M solution by dissolving 47.1 grams of…

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Q: How do you prepare 0.4 N 500 mL hydrochloric acid solution by using 37% by mass HCl solution with a…

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Q: if 13.9ml of a solution is diluted to 94.7ml with a concentration of 0.4 M. What was the original…

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Q: grams of Ca(NO2)2 is needed to make 800. mL of a 2.00 M Ca(NO2)2 solution

A: • 211.3424 grams of Ca(NO2)2 is needed to make 800. mL of a 2.00 M Ca(NO2)2…

Q: What is the molarity of an 85.0-mL ethanol (C2H5OH) solution containing 1.77 g of ethanol?   What…

A: The answers to both questions are given as:

Q: 35. To what volume should 675 g of AgNOs be diluted in order to prepare a 0.25 M solution? 36. What…

A: The amount of solute in a given volume of solution is measured in molarity (M). The moles of a…

Q: How many milliliters of a 0.900% (m/v) normal saline solution can be prepared from 2.00 g of sodium…

A: Percentage (mass/volume) can be defined as the weight of solute in g per volume of solution in mL,…

Q: You are asked to prepare 100.0 mL of a 30.0% (m/v) NaCl solution.  The procedure states that 0.513…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Calculate the number of grams of solute needed to make each solution. a) 1.00 L of 1.59 M KNO3 b)…

A: Number of grams of solute needed to prepare a solution is. Molecular mass of KNO3 = 101.10 Molecular…

Q: #10 If I add water to 100.0 mL of a 0.15 M NaOH solution until the final volume is 150 mL, what will…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: You need to prepare 1.0 L of 2.0 M H2SO4.  In the store room is a bottle of 18.0 M  H2SO4.  What…

A: This question demonstrates a technique that chemists use on a regular basis; it is called dilution.…

Q: Calculate the molarity of a solution that contains 0.175 mol ZnCI2 in exactly 150 mL solution. b.…

A: The moles of solute to the volume of solution (in liters) is known as molarity. It is a…

Q: 1. Calculate the molar concentration of a solution that contains 15 g. of KOH in 225 ml of solution?…

A: 1) Mass of KOH=15 g,  volume=225 ml =0.225 L  molar mass of KOH=56.1056 g mol-1

Q: prepare 500 mL of 0.2 M NaOH

A: Given data,   V2 = 500 mL (NaOH)   M1 = 6 M NaOH   M2 = 0.2 M NaOH

Q: Why would a 1 L beaker not be a suitable measuring device with the final volume of the solution The…

A: Often beakers are marked with volume numbers. But the numbers are only whole number. Intermediate…

Q: How many mL of a 0.172 M aqueous solution of chromium(III) sulfate,Cr(SO4)3 , must be taken to…

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Q: b If the solution volume is 170. mL, what mass of Ba(OH)2 must have been dissolved? Mass =

A: Given  PH of a Ba(OH)2 solution = 10.95 Volume = 170 mL               = 170 × 10-3 Liter…

Q: 2) Sucrose C12H22011 and ethyl alcohol C2H3OH are mixed to form a 14.1 %wt solution. If the density…

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Q: 5.50 L of 13.3 M H 2 CO, the formaldehyde used to “fix” tissue samples 1.Number of moles 2. Total…

A: Given,  Molarity of H2CO = 13.3 M  Volume of the solution = 5.50 L  Calculate the  1. Number of…