as 25.1 mM (millimolar) solution was made using 0.267 L of a 321 mM solution. what is the final volume in L? give answer to 2 decimal places

Q: 29. Calculate the volume (in L) of a solution of 0.664 M BaCl2 needed to obtain 3.996 moles of…

A: Molarity of BaCl2 solution = 0.664 M  Number of moles of BaCl2 = 3.996 moles  Volume of solution in…

Q: 1. For each of the following mixtures, explain whether it is a solution (homogeneous mixture) or a…

A: Introduction In the field of chemistry, a mixture is a substance made up of two or more unrelated…

Q: In the laboratory you are asked to make a 0.675 m zinc chloride solution using 14.5 grams of zinc…

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Q: A 31.9 mM (millimolar) solution was made using 0.202 L of a 221 mM solution. What is the final…

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Q: Concentrated hydrochloric acid is 12.0 M. What volume of this solution should be used to prepare…

A: Given Molarity of initial  Concentrated HCl  (M1)  = 12 M Molarity of final solution  of HCl (M2)…

Q: KOH and NaOH are dissolved in water to form a 2.48 molar solution. If 42.9 g of NaOH are used and…

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Q: One gram of saltpeter (KNO3) is dissolved in two hundred milliliters water. Assume the density of…

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Q: A stock solution has a concentration of 5.50 mol/L. What volume of this stock solution is required…

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Q: 1000 3. How many grams of KC1 are required to make 250.0 mL of a 0.250 M solution?

A: 3) Molarity is defined as the number of moles of solute present in one litre of solution

Q: What volume of each solution contains 0.12 molmol of KClKCl Express your answer using two…

A: a. Molarity of KCl = 0.247 M Molarity = number of moles (mol)Volume of the solution (L) 0.247 M =…

Q: Find the normality of sodium carbonate (molar mass = 106 g/mol) in a solution containing 0.212 g…

A: Given volume is 100 ml and mass of sodium carbonate is 0.212 g

Q: A seizing patient needs an emergency injection of 10.0 mg of diazepam (C16H13N2OCI; note: the last…

A: ★ Answer : 1.755 mL of diazepam should be administered.

Q: a 34.7 mM (millimolar) solution was made using 0.184 L of a 329 mM solution. what is the final…

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Q: XHow will you describe the following chemical reaction? C3H8 + 502 → 3CO2 + 4H2O Propane is…

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Q: A brine solution is 10.0 % NaCl by mass. What is the molarity of this aqueous solution, given that…

A: Given a brine solution with concentration 10% by mass. Given density of the solution is 1.071 g/ml.…

Q: 25.64 mL of pure acid, X3A, was titrated w28.18 mL of 0.3Lel M sodium hydroxide. What is the…

A: Given information, Volume of pure acid, X3A (V1) = 25.64 mL Volume of sodium hydroxide (V2) = 28.18…

Q: How much waterl in.ml)is needed to prepare a 0.81 M KCI solution from 87 m of a 196M KCl solution?…

A: Given values are, V1 =87mL N1= 1.96 M N2= 0.81 M V2=??

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: To make 308 mL of a 0.531 M solution of HCI, how many mL of a 3.4 M solution should be used? Report…

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Q: Standard vinegar solutions are about 5% acetic acid by mass. What is the molarity of a 5% vinegar…

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Q: Dilution A. How many mL of concentrated nitric acid, HNO3, that is 12M do you need to make 500 mL…

A: Given -> M1= 12 M M2= 1.5M V2=500ml

Q: The label for oxacillin 2 g vial states that 11.5 mL of Sterile Water for Injection is needed to…

A: Concentration in mg/mL means 1 mg of solute is present in 1 mL of solution. For a solution of same…

Q: we are using a 3.00% hydrogen peroxide solution. We need to convert this to molarity for our…

A: To calculate the molarity of the 3.00% w/w hydrogen peroxide solution, you need to convert the…

Q: 3. Determine the normality of 3200mL HCI if 25.27g of acid was used.

A: Normality: The number of grams equivalent of the solute dissolved in 1 L of the solution is known as…

Q: How many milliliters of a 7.4 M NaOH solution are needed to make 694 mL of a 2.3 M NaOH solution?…

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Q: To obtain the solute for 571 g of a 14.1% (w/w) solution of sugar we would weigh out ________ g of…

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Q: The molarity of a solution made by placing 98 grams of H2SO4 insufficient water to make 500.…

A: The given mass of H2SO4=98 g The molar mass of H2SO4=98.079 g/mol. The volume of the solution=500…

Q: Potassium bromide (KBr) has a molar mass of 119 g/mol. If I dissolve 3.62 of KBr in 37 mL of water,…

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Q: ▼ Part A What mass of MgCl2 is needed to make 205 mL of a 0.400 M MgCl2 solution? Express the mass…

A: Given Molarity,  volume Asking the amount of MgCl2

Q: 1. A 15.00 g of NaCI is dissolved in 5.00 L of water. Find the molarity of the solution? Show your…

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Q: Match the correct formula to the correct term. Molarity A. grams solute /grams solution* 100 Percent…

A: Match the following--

Q: How many grams of Na2CO3 is present in 0.680 L of 0.704 M Na2CO3 solution? Do not include unit. Keep…

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Q: A Chemistry 20 student is provided with two sodium carbonate solutions for a laboratory activity.…

A: ppm unit is used when any substance is present in very small amount.  1 ppm = 10^-6 gm  So, solution…

Q: 7. During week l's lab we investigated the effect of different soaking solutions on the behavior of…

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Q: a. Starting with a 1M stock of NaCl, a researcher prepares a 100 mM working solution. The dilution…

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Q: A normal person contains about 1.4 gallons of blood and has a sodium blood level (or sodium…

A: The numerical conversion factor may be explained as the mathematical factor that is used to transfer…

Q: You need to dilute a solution of 9.0 M sulfuric acid. You need the dilute solution to be 0.50 M and…

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Q: What mass of lead iodide is in 1 ml of a 0.5 M solution in DMF? Enter your answer (in g) to 3…

A: We know that, Molarity = (No of mole of solute) / (Volume of solution ) No of mole = (Molarity) x…

Q: 3.48 mL of solution with a concentration of 12.71% m/v is diluted to a total volume of 135. mL.…

A: Given, Initial volume of the solution V1=3.48 ml (m/v)%=12.71% The volume after dilution=135 (m/v)%…

Q: How many grams are required to create 350. mL of a 1.42 M NaCl solution?

A: I have find , what amount  NaCl added to make 350ml of solution.  Here use formula of Molarity.…