How many moles of enzyme are in 0.142 L of a 2.99 × 10-5 M solution?

Q: How many grams of NaCl are present in 576 ml of a 1.20 M solution?

A: To find the grams of NaCl, • Multiply the given molarity with volume to get the moles of NaCl. •…

Q: solution of CaCl2 is made by dissolving 55.5g of CaCl2 in enough water to yield 0.750 L of solution.…

A: 1- First we will calculate the concentration of CaCl2 in 0.750L volume of the solution.  moles of…

Q: Calculate the molarity of a solution containing 1.2 moles of NaCi in 730 ml of solution?

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

Q: The number of moles of CaCl2 in 5 litres of 5 M solution is *

A: Molarity: It is the parameter that is used to express the molar concentration of a solution. It can…

Q: What is the molar concentration (in moles/L) of a solution made with 3.744 g of Mg(NO3)2 dissolved…

A: Given :-  Mass of Mg(NO3)2 = 3.744 g  Volume of solution = 50.0 mL  To calculate :-  Molar…

Q: Determine how many grams of sulfuric acid (H,SO4) would be needed to make 2.50 x102 mL of a 2.00 M…

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Q: What volume of 0.48 M NaCl solution contains 175.6 grams of NaCl?

A: First, calculate no of moles of NaCl No of moles of NaCl = Mass/Molar mass = 175.6g/(58.44gmol-1) =…

Q: What is the mass in grams of KBr in 0.400 L of a 0.350 M solution?

A: Molarity of KBr solution = 0.350 M = 0.350 mol/LVolume of KBr solution = 0.400 Lmass of KBr =…

Q: 6. The molecular weight of Potassium chloride (KCI) is 74.55 g/mol. How many grams would you need…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: ow many g of barium fluoride are needed to prepare 43.6 mL of a 1.55 M solution of barium fluorid

A: The molarity is the concentration term which is the number of moles of solute per liter volume of…

Q: How many grams of Cu(NO3)2 are in 3.00 liter of a 0.50 M solution?

A: Molarity = number of moles of solute / volume of solution in L  number of moles of solute = Molarity…

Q: How many g of sodium carbonate are in 96.951 mL of a 95.697 mM solution?

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Q: How many moles of HCl are in52.3 mL of a 1.17 M HCl solution?

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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: How many grams of NaCl are present in 1263 ml of a 1.09 M solution?

A: Given , Volume of NaCl solution =1263 ml Molarity of solution = 1.09 M

Q: How many moles of KI are present in 850 mL of a 1.55 M KI solution?

A: Molarity (M) can be defined as a moles of solute in per litre of solution. The S.I. unit for…

Q: What mass in grams of solid ammonium sulfate would be required to prepare a 250 mL of 0.925 molar…

A: The Molarity of a solution is defined as no of moles of solute present in 1L of the solution.…

Q: How many grams of calcium chloride are needed to make 382 mL of a 2.54 M solution?

A: We have Molarity as 2.54 M, volume of solution as 382 ml, we have to calculate the mass of CaCl2…

Q: Copper(II) sulfate solution is used to etch designs on copper jewellery. Calculate the volume in L…

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Q: How many grams of copper (II) iodide, CuI2, are contained in 368 mL of a 0.276 M solution?

A: Given values -> Volume = 368ml = 368 ×10^(-3) ( 1 litere = 1000ml)…

Q: How many moles of calcium carbonate are there in a 3.1 L of a 0.527 M solution?

A: Molarity = moles of solute/Volume of solution(L)

Q: What is the molarity of an NaI solution that contains 7.7 g of NaI in 36.0 mL of solution?

A: Given Data: Amount of NaI =7.7 g Volume of solution = 36.0 mL To determine: Molarity of NaI Solution

Q: how many moles of NaOH is in 535.0 mL of a 0.067 M solution of NaOH?

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Q: percent by volume

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Q: What is the total mass (in grams) of a solution that contains 22.5 grams of MgCl2 where the solution

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Q: moles of NaOH in 0.500 L of a 0.600 M NaOH solution

A: Given, Molarity = 0.600 M Volume = 0.500 L Formula, Molarity = (Moles / Volume) To calculate the…

Q: There are 6 moles of KOH in a 12 M solution. What is the volume of the solution in liters?

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Q: How many grams of calcium chloride in 100.0 mL of 25% solution?

A: The volume of the solution is = 100.0 mL The concentration of calcium chloride is = 25 % The mass of…

Q: How many grams of sucrose (molar mass is 342.30 g/mol) are in 582.6 mL of a 2.34 M solution?

A: Given that  Molarity of sucrose (C12H22011) solution =  2.34 M volume of solution = 582.6 ml molar…

Q: 10. A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make…

A: Mass of MgSO3 = 17.8 g  Volume of solution = 100 ml  Concentration (Molarity) of the solution (in…

Q: What is the mass percent of potassium chloride (KCl) in a solution with a concentration of 2.02 M…

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Q: How many moles of Na+ are in 125 mL of 0.98 M Na2SO4 solution?

A: The question is based on mole concept. We have to calculate number of moles of sodium Ion present in…

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: What volume of a 0.150 M NaCl solution contains 0.0500 moles of NaCl?

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Q: How many moles of Na+ are present in 343 mL of a 1.27 M solution of Na2SO4?

A: Moles = molarity × volume (L) Number of moles of Na2SO4 = 1.27 M × 0.343 L = 0.43561 mole

Q: Express your answers with at least two decimal places.   How many moles of glucose are present in…

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Q: What is the mass in grams of NACN in 120.0 mL of a 2.40 x 10-S M solution?

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Q: molarity of -

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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: How many moles of NaCl are in 500.00 mL of a 1.25 M solution of NaCl?

A: Mole is a standard unit for measuring large quantities of very small entities such as molecules,…

Q: How many moles of solute are present in 1.50 L of 0.240 M Na2SO4?

A: Molarity (M) :-  The number of moles of solute present in dissolved state in one lire of solution is…

Q: How many grams of Calcium Chloride in 100.0 mL of 1.8 Moles solution?

A: The volume of the solution is = 100.0 mL The molarity of the solution is = 1.8 M The mass of calcium…

Q: What is the mass in grams of KBr in 0.400 L of a 0.350M solution?

A: