A 3.45 L aqueous solution of KOH contains 189 g of KOH. The solution has a density of 1.29 g/mL. Calculate the molarity (M), molality (m), and mass percent concentration of the solution. molarity: M molality: m mass percent:

Q: A 2.46 L aqueous solution of KOH contains 159 g of KOH. The solution has a density of 1.29 g/mL.…

A: The solution has two components, one is KOH and other is solvent.KOH here is solute.moles of…

Q: How many grams of NaCl (molar mass = 58.44 g/mol) needs to added to 0.500 kg of water to create a…

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Q: A solution is prepared by dissolving 80.0 mg of potassium phosphate in 25 ml. of water. What is the…

A: Given, the mass of potassium phosphate =80.0 mg =0.08 gvolume of solution =25 mL we are asked to…

Q: Calculate the molality of a 20.0% by mass ammonium sulfate (NH),SO solution. The density of the…

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Q: A solution is made by dissolving 25g of NaCl in enough water to make 1.0 L of solution. Assume the…

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Q: Concentrated hydrochloric acid is 11.8 M HCl and has a density of 1.190 g/mL. Calculate the mass %,…

A: Given,  Molarity of HCl = 11.8 M Density = 1.190 g

Q: An aqueous KNO3 solution is made using 71.9 g of KNO3 diluted to a total solution volume of 1.95 L.…

A: From the weight of the compound taken we can calculate the mole present in 1000 ml ghat will be the…

Q: 2. Calculate the molality of each of the following aqueous solutions: (a) 2.50 M NaCI solution…

A: The concentration of the solutions can be expressed in many ways. Molality is defined…

Q: Calculate the molality of the following solution: 65g of KCl in 46.6g of water.

A: Given, mass of KCl = 65 g we know, molar mass of KCl = 74.5513 g/mol => moles of KCl = mass of…

Q: An aqueous solution is prepared by dissolving 72.0 g glucose (180.18 g/mol) in enough water to make…

A: Number of moles of glucose (solute) is calculated as follows,

Q: (c) the molality, (d) the molarity of H;SO4 in this solution. (H:1, S:32, O:16 g/moles)

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Q: An aqueous solution of hydrochloric acid contains 36% HCl by mass. (a) Calculate the mole fraction…

A: Given that mass percent of HCl is 36%. Assuming the total mass of solution as 100 g, 36 g of HCl…

Q: Be sure to answer all parts. An old sample of concentrated sulfuric acid to be used in the…

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Q: 3. The concentrated sulfuric acid we use in the laboratory is 98.0 percent H2SO4 by mass. Calculate…

A: d = 1.83 g/mL M(H2SO4) = 98.08 g/mol then we have to calculate molarity of total solution,

Q: aqueous solution of acetone (MM = 58.08 g/mol) has a molality of 1.34 m and a density of 1.25 g/mL.…

A: According to question  Molality of Acetone = 1.34m  Density = 1.25g/mL  Molar mass = 58.08g/mol

Q: The concentrated sulfuric acid we use in the laboratory is 98.0 percent H2SO4 by mass. Calculate the…

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Q: molality

A: Molality =Moles of soluteMass of solvent in kg

Q: A solution of HCl at a certain temperature has a density of 1.159 g/mL. The mole fraction of the…

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Q: 10) The density of 85% by mass of H3PO4 solution is 1.685 g/mL. of this solution Calculate a)…

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Q: A bottle of wine contains 12.5% ethanol by volume.The density of ethanol (CH3CH2OH) is 0.789 g/cm.…

A: Consider 100 cm3 of wine Volume of ethanol = 12.5 cm3 Density of ethanol = 0.789 g/cm3

Q: A solution is prepared by dissolving 80.0 mg of potassium phosphate in 25 mL of water. What is the…

A: Given Mass of potassium phosphate = m = 80 mg = 0.08 g Molar mass of potassium phosphate= M =…

Q: The molality of the solution is ____ m. The boiling point of the solution is _____°C

A: Given that:          Mass of manganese nitrate = 10.65 g Molar mass of manganese nitrate = 179.0…

Q: Define the term molarity,molality, formality and normality?

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Q: A 2.19 L2.19 L aqueous solution of KOHKOH contains 201 g201 g of KOHKOH. The solution has a density…

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Q: Calculate the following concentrations for a solution of 0.800 g of calcium chloride, Cacl2, in…

A: Weight of CaCl2 = 0.800g Weight of water = 100g Density of solution = 1 g/ml So,  Molarity = n/V(l)…

Q: 4. 32.5g of Naf are dissolved in 425g of water to make one component of skin care products.…

A: Molality is defined as number of moles of solute present in mass of solvent in kilogram. Solute is…

Q: A 1.51 L aqueous solution of KOH contains 153 g of KOH. The solution has a density of 1.29 g/mL.…

A: Given: Volume of solution = 1.51 L Mass of KOH = 153 g Density of solution = 1.29 g/mL Known: Molar…

Q: A 2.28 L aqueous solution of KOH contains 199 g of KOH. The solution has a density of 1.29 g/mL.…

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

Q: A 40.0% by mass solution of HC1 has a density of 1.198 g/mL. Determine the molarity and molality of…

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Q: A bottle of wine contains 12.0% ethanol by volume. The density of ethanol (C2 H5OH) is 0.789 g/cm.…

A:

Q: 10. Calculate the molarity of a 4.31 m aqueous Nacl with a density of 1.08 g/ml. 11. A solution is…

A: Given,10.   Molarity of NaCl=4.31m              density=1.08 g/mol11.   Mass of glucose=3.97 g…

Q: If you prepare a solution by dissolving 42.59 g of sodium sulfate in 310.7 g of water, what is the…

A: Molality(m) is defined as number of moles of solute present in 1000g of the solvent. m=moles of…

Q: molar concentration

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Q: Calculate the molality of each of the following aqueous solutions: (a) 2.50 M NaCl solution (density…

A: To solve this problem we have to calculate the molality of the given Solution .

Q: A sodium hydroxide solution that contains 23.9 grams of NaOH per L of solution has a density of 1.16…

A: Molality=No. of moles of solute ×1000mass of solvent in gGiven mass=23.9gMolar mass =40g/molNo. of…

Q: Calculate the molality of an NH, solution made up of 30.0 g of NH, in 70.0 g of water. The density…

A: Given values are, Mass of NH3 = 30.0 g Mass of water = 70.0 g=0.070 kg Standard value, Molar mass of…

Q: A 2.13 L aqueous solution of KOH contains 155 g of KOH. The solution has a density of 1.29 g/mL.…

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Q: Reagent nitric acid is 70.40% HNO 3 by mass and its molarity is 16M. Calculate following: a)…

A: Given information: Percentage by mass of HNO3 = 70.40 % Molarity of HNO3 = 16 M No. of moles of HNO3…

Q: The electrolyte in automobile lead batteries is a 3.75M sulfuric acid (H2SO4) solution. Calculate…

A: Given,  Molarity of H2SO4 = 3.75 M  Calculate the following if density of the solution is 1.234…

Q: Calculate the molality of a 41.8 percent (by mass) aqueous solution of sodium chloride. m

A: The formula for mass percentage is as follow Mass percentage=Mass of componentTotal mass of…

Q: A 2.78 L aqueous solution of KOH contains 201 g of KOH. The solution has a density of 1.29 g/mL.…

A: Given data Volume of solution : V=2.78 L=2780 mL Mass of KOH  = 201 g density of solution =1.29 g/mL…

Q: A bottle of medicine contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789…

A: Medicine contains 12.5% ethanol by volume. It implies that 100 cm3 of ethanol solution has 12.5 cm3…

Q: A NaOH solution is labeled as 6.75 M, what is its molality? Density of the solution is measured at…

A: Given that the molarity of the solution is 6.75 M and the density of the solution is given as…

Q: An aqueous solution is 5.50% by mass ammonia, NH3, and has a density of 0.975 g/mL. The molality of…

A: given 1) ℅ by mass of ammonia = 5.5℅ density = 0.975 g/ml 2) Concentration of nickel(II) sulfate =…

Q: Calculate the molality of a solution of 1,750 g of H2SO4 in 1.0 L of solution. (The density of…

A: Mass of H2SO4 = 1750 g  Volume of solution = 1.0 L  Density of solution = 1.8346 kg/L.  Atomic mass…

Q: 150 mmol/L of the following substances are dissolved in pure water. Which would have the highest…

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Q: A bottle of wine contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3.…

A: Given  a bottle of wine contains 12.5 % ethanol by volume volume of wine bottle = 100 ml = 100 cm3…

Q: What is the molality of a 4.90M NANO3 solution. The density of the solution is 1.22 g/mL Molar mass…

A: It is given that the molarity of the NaNO3 solution is 4.90 M with a density of 1.22 g/mL,

Q: The Henry's law constant for helium gas in water at 30 degrees C is 3.7 x 10^-4 M/atm and the…

A: Henry’s law constant(k) of He is 3.7×10-4 M/atm. Solubility of He can be determined using Henry’s…