How many grams of copper (II) fluoride are needed to make 610.4 mL of a 2.91 solution?

Q: Calculate the molarity of a flask that contains 2.53 moles of potassium sulfate in 142 ml of…

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Q: How many grams of solute are in 34.9 mL of a 1.50 M hydrochloric acid solution?

A: Molarity of solution is defined as number of moles of solute dissolved per litre of the solution. In…

Q: What mass of NaOH is contained in 230.0 mL of a 0.410 M sodium hydroxide solution?

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Q: What is the concentration of an aqueous sodium sulfide solution that is prepared by dissolving 18.6…

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Q: What mass of calcium chloride dihydrate, CaCl2•2H2O is required to prepare 100.0 mL of a 0.21 M…

A: The objective of this question is to find out the mass of calcium chloride dihydrate (CaCl2•2H2O)…

Q: How many grams of copper (II) fluoride are needed to prepare 802 mL of a 2.82 M solution?

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Q: Concentrated ammonia is 35.6% ammonia by mass and has a density of 0.88 g/mL. What is the molarity…

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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: How many moles of CaCl2 are present in 10.0 mL of 0.600 M CaCl2 solution?

A: Molarity = (no. Of moles/volume of solution (ml))*1000

Q: A stock solution of HCl has a concentration of 12.0 M. How many mL of the stock HCI solution are…

A: We know the dilution equation of solution => M1V1 = M2V2 where, M1 is concentrated…

Q: How many grams of solute are present in 235 mL of 0.680 M KBr?

A: Given: Molarity of KBr solution = 0.680 M Volume of KBr solution = 235 mL = 0.235 L (because 1 L =…

Q: grams of Ca(NO2)2 is needed to make 800. mL of a 2.00 M Ca(NO2)2 solution

A: • 211.3424 grams of Ca(NO2)2 is needed to make 800. mL of a 2.00 M Ca(NO2)2…

Q: How many grams of KBr are required to make 650.mL of a 0.115 M KBr solution?

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: How many grams of solute are needed to make 5.00 × 102 mL of 0.445 M CH3OH?

A: Given,Molarity = 0.445 MVolume = 5.00 x 102 mL

Q: How many mols of NaOH are present in 15.82 mL of a 0.2106 M NaOH solution?

A: The moles of NaOH that are present is = 0.00333 mol

Q: How many grams of solute are present in 635 mL of 0.110 M KBr?

A: Given  molarity of KBr = 0.110 M Volume of solution = 635 mL = 0.635 L molar mass of KBr = 119.02…

Q: How many grams of KBr are required to make 350. mL of a 0.115 M KBr solution?

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Q: What mass of NaOH is contained in 160.0 mL of a 0.380 M  sodium hydroxide solution?

A: First, the moles of NaOH present in the solution is calculated.

Q: How many grams of copper(II)sulfate will you mix with 450 mL of water to prepare 2.50% by mass of…

A: The mass percent of copper (II) sulfate can be expressed as follows: Mass% of CuSO4  =  Mass of…