(PART A) Calculate the mass percent of a solution containing 15.0 gg of Na2SO4Na2SO4 and 83.5 gg of H2OH2O. Mass Percent = _____________________ % (m/m)   (PART B) What is the molarity of a solution containing 14.4 gg of KClKCl in 254 mLmL of solution? Express the concentration in molarity to three significant figures.  Molarity = _____________________________   (PART C)  You need 400. mLmL of a 6.0 %% (m/vm/v) glucose solution. If you have a 25 %% (m/vm/v) glucose solution on hand, how many milliliters of this solution do you need?   Express your answer to two significant figures and include the appropriate units.

Q: A solution is prepared by combining 75 g of glucose (C6H12O6) with 200 g of H2O. The solution has a…

A: Given that,  Mass of glucose = 75g Density of glucose = 1.84g/ml Volume of glucose = 75/1.84 =…

Q: How many grams of MnI2 are there in 244 grams of an aqueous solution that is 27.9%(w/w) MnI2? ____g…

A: The question is based on the concept of mass percentage.   amount of component present in hundred…

Q: What is the molarity of a solution with 71.3 g of glucose (molar mass: 180.16 g/mol) dissolved in…

A: Given data, Mass = 71.3 g Molar mass of glucose = 180.16 g/mol Volume = 450 mL = 0.45 L To calculate…

Q: ㅁ Question 9 1.5 pts A researcher wants to determine the concentration of beta-carotene in carrots.…

A: If we calculate all the Molarity of solution using M1V1=M2V2, then this will be the chart and the…

Q: What is the percent by mass (%m/m) concentration of sodium bromide (NaBr) in a solution prepared by…

A: % m/m is defined as  % m/m = mass of solute X 100 / mass of solution  mass of solution = mass of H2O…

Q: Molarity Calculations. Report answers with correct units and number of sig figs please. 1. How many…

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Q: In the lab, you used 2.0 mM FD&C Red Dye No. 40 solution. How much solid dye, molar mass 496.42…

A: Given, molar mass of solid dye = 496.42 gmol volume of red-dye-40 = 1.8 L concentration of…

Q: Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person…

A: 1. Molarity=Moles of solute/Volume of solution (in litres)

Q: Calculate the mass of NaCH3CO2 contained in 500.0 mL of a 0.150 0 M NaCH3CO2 solution. (NaCH3CO₂ =…

A: Volume=500.0 mLmolarity=0.150Mmass of NaCH3CO2=molar mass of NaCH3CO2=82.0343g/mol

Q: 6. A glass of salt water (NaCl + H₂O) has a density of 1.11 g mL-¹ and a molarity of 0.280 M. What…

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Q: A 99.8 mL sample of a solution that is 12.0% Kl by mass (d = 1.093 g/mL) is added to 96.7 mL of…

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Q: The purple spheres represent particles of solute. Which compounds are represented in images…

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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: What is the concentration (in molarity) of CaCl2 in 215.3 mL of aqueous solution containing 4.39…

A: The number of moles of a substance is given as the mass of the substance upon its molar mass. The…

Q: Given a stock solution of 30% (w/w) hydrogen peroxide, how much solution, in mL, would you need to…

A: Given 30% (w/w) hydrogen peroxide 100.0 mL of a 5.0 M hydrogen peroxide solution Molar mass of…

Q: The molar mass of Allura red is 496 g/mol. The stock solution contains 93.84 mg/L Allura red. 4 a.…

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Q: In the lab, you used 2.0 mM FD&C Blue Dye No. 2 solution. How much solid dye, molar mass 466.36…

A: Answer :-  Given; 1) Molar mass of FD&C Blue dye = 466.36 g/ mol 2) Molarity of solution = 2.06…

Q: If the human body contains 5.1 L of blood, how many grams of glucose are present in the blood if the…

A: The volume of the blood in the human body is = 5.1 L The concentration of glucose in the blood is =…

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: Calculate the molarity of the following aqueous KBr solution: 2.67x10 moles of KBr in 1.06x102 mL of…

A: Since you have asked a question with multiple subparts we will solve the first three subparts. If…

Q: A hospital saline solution is analyzed to verify its concentration. A 50.0-mL sample of the solution…

A: Check the formula to calculate the percentage of NaCl and use it for percentage calculation.

Q: What is the molarity (M) of a solution of 15.0 g of Al2(SO4)3 dissolved in 250.0 mL of water? Group…

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Q: 1. Ascorbic acid (Vitamin C) reacts with 13 using starch as the indicator. The endpoint is marked by…

A: Vitamin C is ascorbic acid (C6H8O6) and it reacts with triiodide ion (I3-) a shown by the following…

Q: Consider the reaction: BaCl2 + K2CrO4 → BaCrO4 + 2KCI  a. How many grams of Barium chromate…

A: BaCl2 + K2CrO4 → BaCrO4 + 2KCI  Molarity of BaCl2 = 0.15M  Volume of BaCl2 = 75.0 mL = 0.075 L moles…

Q: IReferences) A solution was prepared by mixing 40.00 ml. of 0.100 M HNO3 and 110.00 mL of 0.200 M…

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Q: A metal alloy is made up of elements M and N. The mass of a sample of the metal is 114.5 g. Metal M…

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Q: 1) A strong electrolyte will have only cations and anions dissolved in solution. (True or False) 2)…

A: Hi, since there are multiple questions posted we will provide you with answers for the first three…

Q: mass percent

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Q: Club soda contains 2.50g CO2 for every 1.00 L of solution and has a density 1.03 g/mL. Calculate the…

A: Molarity can de be defined as the number of moles of solutes present in the 1-liter volume of the…

Q: 7. a) What weight of anhydrous copper(II) sulfate would be required to make 1.5 liters of solution…

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Q: What is the molarity of a solution in which 50 g of NaOH (molar mass 40.00 g/mol) is dissolved in…

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Q: A solution is prepared by dissolving 24.5 g of CaCl2 (MW = 110.98 g/mol) in 355 mL of water. The…

A: Molarity indicates the concentration of solution, which is expressed as mol/L. Given: Mass of CaCl2…

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 741 mg of chloride…

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Q: Part1: 1.05×10-1  m glucose solution made by dissolving the glucose in 100.0 kg of water: ____ mol…

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Q: What is the percent by mass of a solution made by dissolving 55.0 g RbCl in 345 g water?    What is…

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Q: 2. A solution of ethanol (d = 0.795 g/mL) and water (H,O) is prepared by placing 30.0 mL of ethanol…

A: 2a. Data given, Density of ethanol = 0.795 g/mL  Volume of ethanol = 30.0 mL  V = volume of the…

Q: A mixture is made by mixing equal volumes of corn syrup (d=1.4 g/mL, C6H14O7) and water (d=1.0 g/mL)…

A:

Q: 1. An oleic acid, C17H33COOH (282 g/mol), solution is added to water in a watchglass until a…

A: To find out the experimental value of Avogadro's number Given that the  Molar mass of Oleic acid =…

Q: What is the molarity of the solution prepared by concentrating, by evaporation of solvent, 755 mL of…

A: Molarity can be defined as number of moles of solute dissolved per liter of the solution That is…

Q: A solution is prepared by dissolving 23.4 g of CaCl2 (MW = 110.98 g/mol) in 355 mL of water. The…

A: The molarity of a solution is calculated as shown below: Molarity=Number of moles of soluteVolume of…

Q: A 0.678-g sodium carbonate sample with 98.6% purity requires 36.8 mL of sulfuric acid solution to…

A: We can determine molarity by using Molarity =  mole of solute/ volume of solvent (in the litter)

Q: In the lab, you used 2.0 mM FD&C Red Dye No. 40 solution. How much solid dye, molar mass 496.42…

A: Given : Volume of solution = 6.30 L Concentration = 6.39 mM  Molar mass = 496.42 g/mol

Q: a If you mix 100 mL of water with 25 mL of 4.72% (w/v) glucose (C6H1206), what will be the percent…

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Q: How many grams of Mg(OH)2 are contained in 1500 mL of 0.025 N Mg(OH)2 solution?if you known atomic…

A: Normality is the number of the gram Equivalents of the Solute present in one of the solution. It is…

Q: 12. a. What is the molarity of a solution made by mixing 125 mL of 5.00 M H3PO4 with 325 mL H2O? b.…

A: • Molarity = No. of moles of solutevolume of solution (L)• No. of moles = molarity ×volume (L)• 1 L…