You dissolve 418.8 g of phosphorous acid to make a 2.86 L stock solution. What volume (in mL) of this stock solution do you need to take to prepare 2.2 L of a 0.094 M solution of phosphourous acid?

Q: The solution was prepared by adding 150 g of sodium hydroxide to 150 g of water, giving a total…

A: Molarity is defined as no.of moles of solute devided by volume of solution in liter.

Q: A mass of 30 g KCl is dissolved in 200 ml of solution. What is the concentration of this solution as…

A: Given,Mass of KCl (solute) = 30 gVolume of solution = 200 mLThe concentration of this solution…

Q: A student needs to prepare 50.0 mL of 0.80 M aqueous H2O2 solution. Calculate the volume of 5.1 M…

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Q: What mass of KBrKBr (in grams) should you use to make 250.0 mLmL of a 1.10 MM solution of KBrKBr?

A: Given data, Volume of solution is 250 mL =0.25L                       (1L =1000mL) Molarity of…

Q: In this station, you will find 400.0 mL of a 0.500 M aqueous solution of calcium chloride. What mass…

A: Molarity of any solution is given by :Molarity =Number of moles of solute Volume of solution(in…

Q: The density of a solution that is 30.0% HClO4 is 1.138 g/ml. Calclulate the molarity of the HClO4…

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Q: 75.0 mL of water was added to 100.0 mL of 0.250 M CaCl₂ solution. Assume the volumes are additive.…

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Q: How many liters of ethanol (CH3CH2OH) must be dissolved in water to produce 200.0 L of 1.65 M…

A: The molar concentration of a solute in a solution can be expressed in terms of molarity(M) molarity…

Q: Write a procedure explaining how to prepare a solution with a 3.45 % by weight of solid compound…

A: 3.45% by weight means 3.45 g of solute in 100 g solution. so in 100 g mass of solute is 3.45 g and…

Q: 16. What is the molarity of the solution formed by mixing 0.20 mol of sodium hydroxide with enough…

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Q: Describe how to prepare 100.00 ml of a 0.250 M sodium chloride (NaCl) solution using sodium chloride…

A: The ratio of number of moles of solute to the volume of solution in liters is known as molarity.

Q: A chemist has a 0.800 M solution of potassium hydroxide (molar mass = 56.1 g/mol). What mass of KOH…

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Q: a student will be preparing 100.0 ml of a 0.050 m aqueous solution of NaCl in a clean and dry…

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Q: In the laboratory you are asked to make a 0.572 m sodium bromide solution using 255 grams of water.…

A: Molality (m) is the unit of concentration. It is defined as the number of moles of solute per…

Q: A 125 mL sample of a 14.0 M solution is diluted to 500 mL.  What is the concentration (molarity) of…

A: 1)  Solution 1 : Concentrated solution Concentration of the solution (M1) = 14.0 M  Volume of the…

Q: A 373-mL sample of a 0.481-M CaCl2 solution is left on a hot plate overnight; the following morning,…

A: The objective of this question is to find out the volume of water that evaporated from the CaCl2…

Q: A 13.3 g sample of an aqueous solution of hydrochloric acid contains an unknown amount of the acid.…

A: Given: Mass of sample = 13.3 g Volume of Ba(OH)2 = 21.1 mL Molarity of Ba(OH)2 = 0.603 M Molar mass…

Q: How do we solve this with dimensional analysis?

A: The reaction taking place is- H3A+3NaOH→Na3A + 3H2O   So, 1 mole of H3A is completely neutralized by…

Q: concentration

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Q: Suppose you have 350.0 mL of a 0.650 M sodium hydroxide solution. How many moles of sodium hydroxide…

A: 1000ml--->1(M) NaOH sol--->1mol NaOH present or [40 gm(if amount required)]

Q: 5.0 mL of a stock solution of 12.5 M phosphoric acid is diluted to 5.00 liters. What is the…

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Q: A chemistry teacher wants 95.0mL of 0.363 mol/L iron(III) chloride solution to react completely with…

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Q: How many grams of KCl must be added to water to create 2.0 L of an 0.020 M KCl electrolyte solution?

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Q: What volume of concentrated 15.0 M nitric acid is required to make 300.0 mL of a 2.50 M nitric acid…

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Q: 400.0 mL of a 0.485 M solution of NaCl is diluted to 900.0 mL. What is the new concentration of the…

A: The concentration of any solution decreases upon dilution because same amount of solute will be now…

Q: A solution is prepared by dissolving 18.1 g ammonium sulfate in enough water to make 120.0 mL of…

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Q: Suppose 1.96g of potassium bromide is dissolved in 250mL of 33.mM aqueous solution of silver…

A: Given: 1.96g of potassium bromide is dissolved in 250mL of 33.mM aqueous solution of silver nitrate.…

Q: What mass of NaOH is contained in 160.0 mL of a 0.380 M  sodium hydroxide solution?

A: First, the moles of NaOH present in the solution is calculated.

Q: A student wants to prepare exactly 350. ml of a 0.2750 M aqueous potassium nitrate solution. What…

A: Given that, The molarity of aqueous potassium nitrate solution is 0.2750 M that means 0.2750 moles…

Q: Use the References to access important values if needed for this question. An aqueous solution of…

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