How much heat must be absorbed by 375 grams of water to raise its temperature by 25°C? Show solution and choose from the choices below:       3.9 X 10 4 J       2.8 X 10 4 J

Q: How many grams of solvent are needed to prepare a 0.275 m KCI solution that contains 9.625 × 10-3…

A: Given that  Molality of the KCl solution, m = 0.275 m Number of moles of KCl, = 9.625×10-3 mol The…

Q: Calculate the mass of KOH in grams required to prepare 5.00 x 103 mL of a 2.50 M solution. [KOH =…

A: Given, mass of KOH = 5.00 x 103 g Molar Mass = 56.1 g/mol Volume of Solution = 2.50 L  Mass of KOH…

Q: How many moles of solute are there in the following solutions?

A: Molality = Number of moles of solute / Mass of solvent (kg)

Q: What volume of a 1.5 M KOH solution is needed to provide 6.75 moles of KOH?     0.50 L     4.5 L…

A: Molarity (M) is a concentration term for a solution. The molarity of a solution is defined as the…

Q: What volume of 1.5 M CaCl2 is needed to obtain 5.00 g of CaCl2 ?

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Q: When 2.3 moles of CCl4 and 2.3 moles of C6H6 are mixed, which is the solvent?

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Q: Find n in mol. Show your solutions. P = 3.45 atm V = 93.38L T = 95.53 °C

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Q: Consider the solubilities of a particular solute at two different temperatures. Solubility (g/100 g…

A: According to the question, The mass of the H2O is given by = 81.0 g The mass of the solute per 100 g…

Q: Consider the following balanced chemical equation: CaC2 + 2H2O → Ca(OH)2 + C2H2 How many moles of…

A: Given  CaC2 + 2H2O    →Ca(OH)2 + C2H2 Number of mole of C2H2    = 3.60 mole  Number of mole of water…

Q: What mass of NaOH is required to prepare 250.0 g of solution that is 8.00% w/w NaOH?

A: Given data is as follows: The mass of the solution = 250.0 g The mass percent (w/w) of the solution…

Q: You need to make 100mL of a 0.2 molar sucrose (C12H22O11) solution. How much sugar do you need to…

A: A molar solution of a substance is a solution that contains a defined number of moles of solute per…

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: Ms. Dunne added 2233.8 milliliters of water to 16.2 milliliters of NaOH solution to make a 3.60 x…

A: The equation for calculating molarity is the ratio of the moles of solute whose molarity is to be…

Q: How much distilled water must be added to a 25.00 mL 0.5104 M aqueous H2SO4 solution to prepare a…

A: Given, Volume of aqueous H2SO4 solution = 25.00 mL Concentration of aqueous H2SO4 solution = 0.5104…

Q: Calculate the mass percent of a solution that is prepared by adding 47.8 gg of NaOHNaOH to 204 gg of…

A:

Q: the molarity of

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Q: What is the concentration of an aqueous caffeine solution that is prepared by dissolving 36.8 g of…

A: We are having 36.8 g of caffeine, C8H10N4O2 Molar mass of caffeine, C8H10N4O2  = (12*8 +…

Q: How many moles of solute are there in the following solutions?   1.80×10-1  m glucose solution made…

A:

Q: Calculate the molarity of a solution containing 2.4 moles of NaCl in 2065 ml of solution? O 1.16 M O…

A: Molarity = moles/volume of solution in L

Q: How much MgCl, must you dissolve in water to prepare 20 mL of a 2.0 M solution?

A:

Q: A solution is prepared by dissolving 98.6 g of LICI in enough water to form 675 mL of solution.…

A: Given  Mass of LiCl = 98.6 gram  Volume of solution =  675 mL                                 =  675…

Q: What mass of sucrose, C11H22011, is needed to make 500.0 mL of a 0.200M solution? O 34.2 g O 100 g O…

A: Molecular formula = C12H22O11 Volume = 500.0 ml = 0.5 L Molarity of solution = 0.200 M

Q: How much distilled water must be added to a 25.00 mL 0.5104 M aqueous H2SO4 solution to prepare a…

A:

Q: A chemist wants to make 5.5 L of a 0.330 M CaCl2 solution. Part A What mass of CaCl2 (in g) should…

A: Generally molarity is calculated by using following equation.

Q: How many grams of Ca(NO3)2 is needed to prepare 475 mL of 2.25 M solution? Atomic mass: Ca = 40.08 N…

A: Given that , Volume of Ca(NO3)2 = 475 mL = 0.475 L concentration =2.25 M Atomic mass of Ca=40.08…

Q: A Wisconsin farmer taps a maple tree and collects 200 liters of sap. He determines the sucrose (C12…

A: Concentration in terms of molarity is defined as the moles of solute present per liter of the…

Q: You would like to do a little research in ecology and you ask Professor Turner if you could…

A: To prepare a 2% potassium dichromate (K2Cr2O7) solution, we need to calculate the volume of…

Q: You have a stock solution of 20% (w/w) Triton X-100, a viscous detergent often used to permeabilise…

A: 20%(w/w) means that 20 g of solute in the 100 g solution. Volume of the solution is, Volume = mass ÷…

Q: What mass of glucose (C6H12O6) is contained in 75.0 mL of a 2.00 M glucose solution? 0.150 gg 6.76…

A: Calculate number of moles of: 1 L = 0.001 mL

Q: What mass of sodium hydroxide (NaOH, molar mass = 40.0 g/mol) is needed to make 100.0 mL of a 0.125…

A: Molarity is difine ast the ratio of  moles of solute and volume of solvent in litter.

Q: What masses of sodium chloride, magnesium chloride, sodium sulfate, calcium chloride, potassium…

A: To determine the masses of each compound needed to produce 1 L of artificial seawater with the given…

Q: Which of the following substances would be most soluble in water? O C2H5OH Ag (metallic silver) O…

A: In this question, we will Identify which species is most Soluble in water.  You can see details…

Q: How many moles of solute are there in the following solutions?   1.80×10-1  m glucose solution made…

A: Molality (m) is used to express the concentration of a solution.It is defined as the moles of solute…

Q: For the formation of 2.33 mol of water, how many moles of nitric acid are needed? Al2O3 + HNO3 →…

A: Given- Reaction Al2O3 + HNO3 → Al(NO­3)3 + H2O To find- Moles of nitric acid are needed for the…

Q: How many grams of water are required to react with 70.0 grams of Nitrogen dioxide? 3 NO2 + H20 -->…

A: Given reaction is, 3 NO2 + H20 --> 2HN03 + NO Mass of NO2 = 70.0 g Molar mass of NO2 = 46.0055…

Q: What is the molarity of 25 g of iodine, I2, in 350. mL of solution? 2.8 x 10 M 5.7 x 10-1 M 2.8 x…

A: Molarity : Moles of solute present per liter of solution is called molarity of the solution.…

Q: what mass of NaBr is needed to prepare 1.12L of a 0.15 M aqueous solution of NaBr?

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Q: Calcium hydroxide topical solution is done by slaking Calcium Oxide. How much Cao (56 g/n) is needed…

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Q: In which of the following aqueous solutions would the generic salt AB(Ksp= 6.3*10^-6) have the…

A: Solubility of salt can be determined using Ksp value of salt.

Q: What volume of 4.0 M NaCI must be diluted to prepare 10.0 L of 0.1 M NaC? 25 L O 0.4 L 2.5 L O 0.25…

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Q: How many moles of NaOH are present in 25.0 mL of a 0.1000 M NAOH solution? O 0.100 mol O 100 mol O…

A:

Q: How many moles of solute are there in the following solutions?   1.80×10-1  m glucose solution made…

A:

Q: What volume of 12.1 M HCl must be diluted to prepare a 0.250 0 M HCl solution with a volume of 2.000…

A: We have to find the volume of 12.1 M HCl must be diluted to prepare a 0.2500 M HCl solution with a…

Q: For the formation of 7.51 mol of water, how many moles of nitric acid are needed? Cu + HNO3 →…

A:

Q: An aqueous solution of glucose (C6 H12 O6)called D5W contains 54.30 g of glucose per liter of…

A: Mass of glucose =54.30 g Molar mass of glucose = 180.156 g/mole Number of moles of glucose in D5W =…

Q: Which of the following substances would you expect to NOT be soluble in water? AgNO3…

A: According to solubility rules,(1) All nitrates are soluble. So, AgNO3 is soluble.(2) All sulfates…

Q: How many grams of KCl are contained in 824 mL of a 1.49 M KCl (MW=74.55 g/mol) solution?

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Q: The correct amount of KF and of water that must be mixed to prepare 225 grams of a 4.18% by mass…

A: Mass of KF is calculated as follows: Mass % = Mass of the solute KFMass of solution×100 %4.18 % =…

Q: In order to prepare 50.mL of 0.100 M C12H22O11(sucrose) you will add how many grams of sucrose to…

A: