If we measure 27.5mL of 2.50 molar Na2Cr2O7 solution, how many grams of sodium are present?

Q: How many grams of MgCl2 are needed to make 700.0 mL of a 1.4 M solution? How many grams of NaBr…

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Q: What is the molarit of a solution make by dissolving 36.29 g of NaCl in 2.30 L of solution?

A: Concentration always exhibits the dissolved moles of existing solute into particular solution's…

Q: How many grams of NaCl required to prepare each of the following solutions: a) 2500 ppm (w/v) NaCl…

A: (a). Given,  ppm of NaCl = 2500  Volume of the solution = 250 mL  Mass of NaCl = ?

Q: Two beakers are placed in a small closed container at 25 °C. One contains 416 mL of a 0.112 M…

A: Concentration of the solute in dilute solution and that of concentrated solution are affected by…

Q: It is the ratio of the numbers of solute to the number of volume of solution in liters is called ?…

A: Molality is defined as the number of moles of solute dissolved in per kg of solvent.

Q: Calculate the Normality of an HBr solution which required 28.17 mL to neutralize 2.95 g Ca(OH)2.

A: Given: 1) Volume of HBr solution is 28.17 mL = 0.02817 L 2) Weight of Ca(OH)2 is 2.95 g. 3) Molar…

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: how many mL of .536 M CaCl2 are needed to prepare 250mL of 175M aqueous solution calcium chloride

A: The volume required is calculated below.

Q: What is the concentration Molarity of a solution where 29.2 g of NaCl is dissolved in enough water…

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Q: 5) Rubbing alcohol is 70.% isopropyl alcohol by volume. How many milliliters of isopropyl alcohol…

A: Hi, since you have posted multiple questions, we will answer the very first question. Kindly repost…

Q: What is the volume of the solute dissolved in 100mL of solution in a 22%V/V solution?

A: Given,  the volume of the solute dissolved in 100mL of solution in a 22%V/V solution is :

Q: To what volume should you dilute 50.0 mL of a 5.00 M KI solution so that 25.0 mL of the diluted…

A: Calculation of no. of mol in 3.05 g of KI: Calculation of molarity of KI:

Q: number of grams

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Q: The number of mL of alcohol in 275 mL of 11.5% (v/v) solution

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Q: What mass of sucrose, C12 H22 O11 , is needed to make 500.0 mL of a 0.200M solution?

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Q: How many liters of a 0.550 M sucrose (C12H22O11C12H22O11) solution contains 1.7 kg of sucrose?

A: To solve this problem the required formula is  M = n/ v  where M = mass  n = number of moles  v =…

Q: What volume of a 0.575-M solution of glucose, C6H12O6, can be prepared from 50.00mL of a 3.00-M…

A: To calculate the volume of a 0.575-M solution of glucose that can be prepared from 50.00mL of a…

Q: How many grams of KNO3 are in 125g solution containing 14.5% solute?

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Q: If you have a 3 M solution of Urea (60.06 g/mol) in 500mL of water. How many milliliters of the…

A: Given,Molarity of urea = 3M.Volume of water = 500mL.Moles of urea = 0.8mol.Volume of solution =?

Q: How many mL of 0.39M solution contains 0.200 mol of solute? (

A: Given: Molarity = 0.39 M moles of solute = 0.200 moles volume in ml = ? formula used: Molairty =…

Q: What volume of a 40.0% m/v solution contains 70.0g of solute?

A: given, m/v% = 40.0 mass of solute = 70.0g

Q: KNO, 240 200 6160 NaCIO 120 KBr 80 KCI 40 Naci 20 40 60 80 100 120 Temperature °C If NaCIO3 has 100g…

A: We have to find how much more solute can be added to make a saturated solution

Q: Solution 10% w/v solution of NaCI .means that 10 gm of NaCl in 1000 ml of solution. 100 gm of NaCl…

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Q: Determine the amount in grams of NaCl needed to make the following solution 1.5 % NaCl in a total…

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Q: "Determine the molarity of a solution that contains 15.50 mL of glycerol C3H8O3, d = 1.265 g/mL) in…

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Q: How many 0.5 g tablets of aluminum acetate are needed to make 1250mL of 1:500 aluminum acetate…

A: Mass of each tablet = 0.5 g

Q: Calculate The MASS-VOLUME PERCENT of 5g of MgCl2 to make 250mL of aqueous solution.

A: We know that ; Mass - volume percent = (Mass of Solute/volume of solution)× 100% By using this…

Q: percentage of 250 ml of aqueous sodium chloride solution containing 10 g of Na

A: A solution has two components. One is solute and another is solvent. Here NaCl is solute and water…

Q: Calculate the number of moles and mass of CuSO4·5H2O(s) required to prepare 100.0 mL of 0.100 M…

A: Calculate the number of moles of CuSO4·5H2O: 1 mL = 0.001 L Hence, the number of moles of…

Q: A 0.200 M H2SO4 solution has a density of 1.200 g/mL.  What is the concentration of the H2SO4…

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Q: A 2 L sulfuric acid solution containing 320 g of H2SO4 per liter of solution has a density of 1.329…

A: Mass of solute in 2L of solution= 320*2= 640g of H2SO4 Moles of solute= mass /molar mass…

Q: Given 5.00x102g of glucose (C6H12O6), what volume in liters of aqueous 1.25% (m/v) solution can be…

A: x%(m/v) of a solution means x grams of solute is present in 100mL solution. In the given question…

Q: 129.4 mg of NaCl (MM=58.44 g) is dissolved in 108.43 L of water. What is the concentration of Na+…

A: We have 129.4 mg of NaCl (MM=58.44 g) is dissolved in 108.43 L of water.  We've to calculate the…

Q: Calculate the milliliters of an 8.0% (v/v) ethanol solution that contains 20.0 mL of ethanol.

A: Given information:Volume of ethanol (solute) = 20.0 mL8.0 % (V/V) ethanol solution

Q: What is the amount of solute needed to prepare 150 mL of a 40.0% (m/v) LiNO3 solution?

A: Given, Volume of the solution = 150 mL (m/V)% = 40.0 %

Q: What volume of 2.05M LiCl contains 2.50g of the solute

A: Concentration of LiCl = 2.05 MMass of Solute = 2.50 gWe need to find the volume of the solution.

Q: describe how you would prepare 750 mL of a 0.65 M MgCl2 solution

A: Molarity = number of moles/volume of solution (in L)   Number of moles = mass/molar mass  So,  mass…

Q: How man mL of 15% (m/v) NaCl solution would contain 28.3g of NaCl?

A: Mass / volume percent tells about the percentage of  mass of solute dissolved in a volume of…

Q: What is the concentration of a solution, when 1.4 moles of MgOH are dissolved in 1200mL of H2O?

A: Given: The moles of magnesium hydroxide=1.4 mol Volume of solution =1200 mL Volume of solution=1200/…

Q: What is the molality of a solution containing 0.587 mol of sulfuric acid in 500g of water?…

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Q: Calculate the number of mL of a 50 ppm solution needed to prepare 50 mL of a 6.4 ppm solution.

A: Given information is,

Q: How many grams of a 0.90% NaCl solution contain 0.450g of NaCl? O 50g O 25g O 75g O 40g

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Q: How many liters of a 0.560 M sucrose (C12H22O11) solution contain 1.7 kg of sucrose?

A: Molarity (M) :-  The number of moles of solute dissolved in 1 litre of solution is called molarity.…

Q: 3. Which of the following do not represent a concentration of a solution? Select one: a. molarity…

A: Solution is made up of solute and solvent. Solute is present in small amount and solvent is present…

Q: Determine the volume (ml) required to dilute a solution containing 48.480g of K2SO4 in order to…

A: Recall the following expression of normality         Normality=WE×VGiven that,mass soluteW=48.480 g…

Q: Calculate the Molarity of a 25.4% (by mass) aqueous solution of H3PO4 (MM = 97.994 g/mol) at 22.0…

A: Given that ,  Percent by mass of aqueous solution of H3PO4 = 25.4 %  Molar mass of H3PO4 (MM) =…

Q: Calculate the volume of NaSCN 12x103M solution necessary to prepare 10 ml of 8x10-3 M NaSCN solution…

A: Using  C1V1=C2V2 for finding the volume

Q: What is the initial volume, in milliliters, needed to prepare each of the following diluted…

A: a) The values provided in the question are:-    i) Initial mass/ volume percent of glucose solution,…

Q: Calculate the amount of sugar needed to make 100 ml of 40 degree brix syrup. Specific gravity of 40…

A: Ans. Let us calculate first denaity of brix solution :- Specific gravity=Density of 40 degree…