An aqueous solution that contains 285 ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed to prepare 2.0 L of a solution that is 75 ppm in KNO ?

Q: A solution of a particular type of sugar (molar mass = 342 g/mol) was prepared by dissolving 72.5 g…

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Q: To what volume should you dilute 150.0 ml of an aqueous 6.00 M iron (II) bromide solution so that…

A: molar mass of FeBr2=215.65g/mole mass of solute given =5.35g using molarity formula calculate the…

Q: Although sea water typically consists of many soluble ions, it primarily consists of dissolved NaCl.…

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Q: a)How many milligrams of mercury(I) chloride (Hg2Cl2) must be present in a 288 mL sample of water to…

A: Given: volume of solvent (water)=288 mL ppm (m/v) of Hg2Cl2 = 4.40 ppm To find: mass of solute…

Q: How many grams of solute are present in 575mL of a 2.00 M solution of nitric acid, HNO3.

A: Given is, Molarity = 2.00 M Volume of solution = 575 mL=0.575 L Grams of solute=?

Q: What is the mass-volume percent (% m/v) of sodium hydroxide (NaOH) in a solution prepared by adding…

A: % m/v is given by  % m/v = mass of solute X 100 / volume of solution  volume of solution given = 141…

Q: what volume of 0.25 M solution of CaCl2 contains 1.28 g solute?

A: Number of moles of CaCl2 used = given mass / molar mass = 1.28 g / 110.98 g/mole = 0.0115 mol

Q: How many grams of sodium chloride are required to make 2.34 L of 2.43 M sodium chloride solution?

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: what mass of FeSO4 is contained in 325 mL of a 1.8x10^-4 M solution of FeSO4?

A: We have to calculate the mass of FeSO4 .

Q: What is the new mass/volume (m/v)% of a KOH solution that is prepared by diluting 115 mL of a 6.3 %…

A: Given that: Initial concentration of KOH solution C1 = 6.3%(m/v)  V1 = 115ml Final volume (V2) =…

Q: Commercial concentrated aqueous ammonia is 28% NH3 by mass and has a density of 0.90 g/mL. What is…

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Q: 3. Commercial concentrated aqueous ammonia is 28% NH3 by mass and has a density of 0.90 g/mL. What…

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Q: What is the molarity of an aqueous solution prepared by adding 36.4g of barium chloride (208.23…

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Q: What is the Molarity of a Solution made by dissolving 6.08g of sodium acetate, CH3COONa, in water,…

A: Given : Mass of CH3COONa i.e solute = 6.08 g And volume of solution = 0.750 L

Q: What is the molarity of an aqueous solution prepared by adding 36.5g of barium chloride (208.23…

A: Number of moles of barium chloride in solution = given mass / molar mass = 36.5 g / 208.23 g/mol =…

Q: Copper (II) bromide is used as a wood preservative. What mass of CuBr2 is needed to prepare 609 mL…

A: Given :- molar concentration of CuBr2 solution = 1.32 M  Volume of solution = 609 mL  To calculate…

Q: What mass (g) of CuSO4 x 5 H2O is needed to prepare 100.0mL of a 0.0833 M CuSO4 x 5 H2O solution?

A: Since the moles = concentration X volume of solution in L  And concentration given = 0.0833 M  And…

Q: A 7.50% potassium chloride solution is prepared by dissolving enough of the salt to give 100.0 g of…

A: The percentage by mass of the solution means the mass of the solute present per 100g of the…

Q: How many moles of NaCl would you need to prepare 400mL of a 1.20 M solution of sodium chloride?

A: Molarity = moles / volume of solution in liters  1 ml = 10-3 L Molarity = mole/liters (unit…

Q: What is the molarity of a solution prepared by taking 6.864 g of potassium permanganate (KMnO 4) and…

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Q: How many grams of chlorine gas are needed to make 3.20×106 g of a solution that is 1.30 ppm chlorine…

A: Given : Mass of solution = 3.20 X 106 g And concentration of chlorine = 1.30 ppm

Q: How many grams of KNO3 would be needed to prepare a 275 g of a 6.3% KNO3 solution?

A: Total amount of solution = 275 g % of KNO3 in the solution = 6.3 % All this are w/w % and we have…

Q: How many grams of strontium nitrate, Sr(NO3)2, are needed to prepare 3.40 x 10^3 mL, of a 0.925 M…

A: The number of moles of solute to the volume of solution in (L) is known as molarity.

Q: How many moles of K2SO3 are present in 237 mL of 1.21 M solution?

A: Given that : Volume of solution = 237 mL = 0.237 L Molarity = 1.21 M

Q: How many milligrams of mercury(I) chloride (Hg2Cl2) must be present in a 325 mL sample of water to…

A: Since ppm (m/v) is defined as the mass of solute present in 106 mL of solvent  i.e ppm (m/v) = mass…

Q: How many grams of Na2CO3 do you need to prepare 50.00 mL of a solution that is 1.04×10-3 M in Na+?

A: Given :-  Molarity of Na+ in solution = 1.04×10-3 M  Volume of solution = 50.00 mL  To calculate :-…

Q: Calculate the mass of NaOH pallets in grams needed to prepare 50 mL of 0.25 M NaOH solution. The…

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Q: What volume of water do you need to yield a 1.5 M potassium chloride solution from dissolving 35.0 g…

A: Given:1.5 M potassium Chloride  Amount :35.0 g  Molarity=(weight/Molecular weight) x (1000/V(ml)…

Q: How many grams of solid potassium chloride KCl are needed to prepare 250 ml of a 1.50 M solution?

A: Applying molarity equation M =m/VL

Q: How many grams of K2CO3 are needed to prepare 300 ml of 2.0 M of solution?

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

Q: Household laundry bleach is a dilute solution of potassium nitrate (KNO3) mixed with water. How many…

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Q: How many grams of chlorine gas are needed to make 4.30×106 g of a solution that is 1.70 ppm chlorine…

A: Given: The mass of solution, (M) = 4.30×106. The parts per million, (ppm) = 1.70 To find: The mass…

Q: How many grams of CaCl2 were used to prepare 0.250 L of a 0.143 M CaCl2 solution?

A: Given :- molarity of CaCl2 solution = 0.143 M or 0.143 mol/L  Volume of solution = 0.250 L  To be…

Q: An aqueous solution contains 6.00% NaBr, the density of the solution is 1,046g/cm^3. What is the…

A: 6 % by mass NaBr means 6 g of NaBr is present in 100 g of solutionMass of solute (NaBr) present =…

Q: 2. How many grams of solute are present in 1.65 L of 0.286 M solution of C3H¬NO2?

A: To calculate the grams of solute first of all e calculate the moles of solute.  The molarity of the…

Q: To what volume (L) should 11.7 g of NaCl be diluted to prepare a 0.10 M NaCl solution?

A: Molarity(M) is the moles of solute per unit volume of the solution in liters. It's unit is mol/L…

Q: What mass of NaCl in grams is needed to prepare 2,500 g of 1.5%(m/m) NaCl solution?

A: Given data: Mass of the solution=2,500 g. The percent by mass of NaCl solution=1.5%. To calculate:…

Q: How many grams of CaCl2 are needed to make 886.5g of a solution that is 37.0% (m/m) CaCl2 in water?…

A: There are numerous ways to specify solution's concentration using percentage method such as…

Q: How many moles of potassium bicarbonate, KHCO3, are present in 75.0 mL of a 0.750 M potassium…

A: molarity is calculated by number of moles of solute dissolved in one liter of solution.…

Q: Calculate the mass of KI in grams required to prepare 5.00 x 104 mL of a 3.0 M solution.

A: Given,Mass of KI = ?Volume of KI = 5.00 *102mLMolarity of KI = 3.0M

Q: How many grams of copper sulfate would you need to make 9 L of a 2 M copper sulfate solution (m.w. =…

A: Molarity is defined as the moles of solute per litre of solution. Hence, 2M solution means we need 2…

Q: What is the mass-volume percent (% m/v) of sodium hydroxide (NaOH) in a solution prepared by adding…

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Q: Calculate the molarity of a NaOH solution of 25.7g  of NaOH  in 2 L of water?

A: Given: Mass of NaOH= 25.7 g Volume= 2 L

Q: How many grams of lead(II) nitrate, Pb(NO3)2, are needed to prepare 750. mL of 0.785 M solution?

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Describe how you would prepare 145g of an aqueous solution that is 2.50% KI by mass?

A: Mass percentage of substance is one of the ways to express composition of solution. Mass percentage…

Q: How many grams of potassium dichromate, K2Cr2O7, are required to prepare a 250 mL solution whose…

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Q: How many milliliters of Conc. H2SO4, 94.0% (g/100g solution), density 1.831 g/cm³, are require to…

A: Molecular weight of H2SO4 is 98.08 g/mol.  Here, Volume of H2SO4 required is 1 L, and concentration…

Q: Sugar is easily soluble in water and has a molar mass of 342.30 g/mol. What is the molar…

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Q: How many grams of sodium nitrate are needed to prepare 1.85 liters of a 0.995 M sodium nitrate…

A: Moles of a particular compound can be determined by calculating the product of the molarity and the…