Mg (s) + 2 HCI (aq) = MgCl2 (aq) + H2 (g), if 0.48 g Mg is used in the reaction, how many mL of H2 (at a pressure of H2 of 1 atm at 25°C) can be produced? (Mg = 24.3g/mol, R = 0.0821 atm•L mol1•K-1). %3D 483 mL 54.8 mL 24.5 mL 60.0 mL 500 mL

Q: What is the mass percent (m/m) of NaCl in a solution made by dissolving 2.84 g of NaCl in 73.2 g of…

A: Given :  Mass of NaCl = 2.84 g  Mass of water = 73.2 g  To calculate :-  % (m/m) of NaCl in solution…

Q: An aqueous solution of CaCl2 weighs 6 kg. The solution has 3.7 moles of CaCl2 present in it. The…

A: Known  Weight of solution = 6 kg = 6000g  Moles of solute (Cacl2) = 3.7 Density of solution = 1.35…

Q: 38. What is the total number of grams of KCI (molar mass = 74.6g/mol) in 1.00 L of 0.200 molar…

A: Question 38) To find mass of KCl, we need to use the formula of molarity which is given as follows:-…

Q: One wants to prepare 1 L of an ammonia solution with a concentration of ammonia of 0.02 mol.L-1…

A: Solution is formed by dissolving solute in a solvent. Solvent is present in large amount while…

Q: What is the mass % of NaCl in a mixture that is prepared by dissolving 2.40 g of NaCl in 65.5 g of…

A: Given data is as follows: The mass of NaCl = 2.40 g The mass of H2O = 65.5 g The mass % of NaCl = ?…

Q: Two ways the concentration of a solution can be reported are: 1) mass % and 2) molarity. The reagent…

A: Given, the weight percent of HCI is 36.5-38%. This indicates that in 100g of solution of HCI, you…

Q: The therapeutic concentration—the concentration needed to be effective—of acetaminophen (C 8H 9NO 2,…

A: a) 1 ppm is equivalent to 1 mg/L of solution.  Thus 15 ppm will be equivalent to 15 mg/L. Conversion…

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: A 1.5L nitric acid solution was prepared by mixing 5mL of concentrated nitric acid (SG = 1.42) with…

A: Volume of final solution = 1.5 L  Volume of nitric acid taken = 5 mL

Q: 2. How many moles of sodium hydroxide required to prepare 20.00 L of a 0.6189 M are sodium hydroxide…

A: Mole=molarity×volume Molarity= 0.6189M Volume=20L Mole=0.6189×20=12.37mole

Q: Suppose that an initial volume (VI) of 14.420 mL of Nacl solution with a concentration M1=7.714…

A:

Q: What volume of 10.0 M H2SO4 is required to prepare 4.0 L of 0.50 M H2SO4?

A:

Q: The molarity of a solution prepared by dissolving 15.0 g of NaCl in 1000 mL water is? O A. 0.150 M O…

A:

Q: What is the molarity of a solution made by dissolving 39.264 g of CoCl2 in water and diluting with…

A:

Q: An aqueous potassium carbonate solution is made by dissolving 7.22 moles of K2CO3 in sufficient…

A: The molarity of the solution is calculated as,

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: How many grams of solid sodium chloride NaCl are needed to prepare 525 mL of a 0.645 M aqueous NaCl…

A: Given: The volume of solution, (V) = 525 mL = 0.525 L. The molar concentration of the NaCl solution,…

Q: What is the molarity of 1 kg of KNO3 (MW=101.11g) dissolved in 2.75 L of solution?

A: Molarity is the number of moles of solute present in one liter of solution. It is represented by M.…

Q: e.What is the molarity and normality of a solution which is prepared by dissolving 75.0 g of Ba(OH)₂…

A:

Q: Organic compound contained C, 18.3%; H, 0.51%; and the rest is Br. When 0.793 g of the compound was…

A: Given data,Percentage of C=18.3%Percentage of H=0.51%Percentage of Br=100-(18.3+0.51)=81.19%Mass of…

Q: f) What is the volume of concentrated HCl, 37 % by mass and 1.19 g dm3, required to make 5 L of a…

A: Given that we have to make 5 L of 6.0 mol dm-3 HCl solution. 6.0 mol dm-3 HCl solution=6.0 mol/L HCl…

Q: What is the mass (in g) of the solute in 0.350 L of 0.40 M glucose, C6H12O6?

A:

Q: What is the molarity of a solution prepared by diluting 8.45 mL of 28.0 % w/w NH3 (density is 0.899…

A:

Q: Calculate the molarity of a solution prepared by diluting 165 mL of 0.688 M CaCl2 to a final volume…

A: Given:

Q: How many moles of CaCl2 are required to prepare 2.00 liters of 0.700 M CaCl2?

A:

Q: A 19.51 ݃ sample of impure methylamine, which contains 72.58% (by mass) of CH3NH2 , is reacted with…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: 10) How can you prepare 500 ml of 0.1M HCI, if the percentage is 35%, and density = 1.18g/ml,…

A: W = M x Mm x V/1000 Where, W = Mass in g; Mm = Molar mass; V = Volume in mL

Q: You wish to prepare a solution that is 12% sodium chloride by mass (m/v%). How much sodium chloride…

A: For preparation of particular solution, the weight of solute and volume of solution must be known.…

Q: a) What is the molarity of a solution made by dissolving 10 moles of sucrose, C12H22O11, in 10L of…

A:

Q: Determine the molarities of the following solutions: a) 150 g of sucrose (C12H22O12) are dissolved…

A: Molarity is difine as ratio of no mole of solute dissolved in in 1 litter solvent. Molarity = no…

Q: A solution of 0.5 M NaOH of volume 100 ml is diluted to to make a solution of 0.2M. Find the volume…

A:

Q: How many grams of Na2CO3 do you need to prepare 50.00 mL of a solution that is 1.04×10-3 M in Na+?

A: Given :-  Molarity of Na+ in solution = 1.04×10-3 M  Volume of solution = 50.00 mL  To calculate :-…

Q: o Which of the following solvents is the best to use for recrystallization of Solute A? а. Water b.…

A: The best solvent for recrystallization (which will give the highest yield) is the one which has…

Q: Calculate the molar concentration of H2S04 (98.0 g/mol) in a solution that has a specific gravity of…

A: 95 % (w/w) concentration of sulfuric acid states that the 100 g of solution contains 95 g of…

Q: What volume of 18M sulfuric acid, H2SO4, must be used to prepare 2.30L of 0.145M H2SO4? a) 19 mL…

A: Dilution formula :-  When a concentrated solution of Molarity M1 and volume V1 is diluted to form a…

Q: How many grams of Ca3(PO4)2 are dissolved in a 0.9 L solution with a concentration of 3.9 M?

A: Given Concentration of Ca3(PO4)2 = 3.9M Volume of solution taken = 0.9 L We need to determine the…

Q: When 100 g of the 90% pure solid urea, CO(NH2)2, is dissolved in water and diluted to 3.00 L. What…

A: Given mass of solid urea = 100g percentage of pure ammonia = 90℅ volume of solution = 3 L

Q: What is the molarity of a solution prepared by dissolving 0.750 mol CaCl2 in enough water to make…

A: Given : Moles of calcium chloride = 0.750 mol The volume of solution =0.500 L Molarity=?

Q: How many grams of Al2(SO3)3 are in 300 mL of 1.5 M solution whose density is 1.40 g/mL.

A:

Q: A solution of ethanol (C2H5 OH) in water is prepared by dissolving 85.0 mL of ethanol (density =…

A: Given :-  volume of ethanol = 85.0 mL  density of ethanol = 0.79 g/cm3  volume of solution = 350.0…

Q: About measures: choose only the correct alternative(s). Choose one or more: a) 10.0 g of ascorbic…

A:

Q: 1) 11. 3 g BaI2 is dissolved in 145.0 g of H2O. Calculate the percentage concentration (by mass) of…

A: Since you posted multiple questions, we only answered the first one   1) We have  Percent…

Q: A. Use the equation to calculate the following: 2 NaOH(aq) + H,SO4(aq) → Na,SO,(aq) + 2 H,O(1) the…

A: 1. From the reaction it is clear that one mole of Na2SO4 is obtained from one mole of H2SO4. So, 3.6…

Q: Describe how you would prepare 2.00 L of 0.150 M perchloric acid from a concentrated solution that…

A: Number of moles of solute = Molarity of solution x volume of solution in L % w/w concentration of…

Q: What is the molarity of NaOH in a solution containing 40.Og of NaOH in 750. mL of solution? O 1)…

A: Molarity = number of moles /volume in Litres Number of moles = mass of substance/moecular mass…

Q: Nitric acid is a potentially dangerous strong acid that must be handled with great care. A…

A:

Q: 1) What volume of 3.25 M sulfuric acid is needed to prepare 0.500 L of 0.130M H2SO,? 2) How do we…

A:

Q: What is the molarity of a solution made by dissolving 42.90g of Al(NO3)3 in enough water to bring…

A: Molarity or molar concentration of a solution is defined as the number of moles of solute dissolved…

Q: 1. Calculate the molar mass of sodium carbonate, NazCO, 105.9884 g/mol 2. Calculate the mass of…

A:

Q: A. Use the equation to calculate the following: 2 NaOH(aq) + H,SO4(aq) → Na,SO4(aq) + 2 H,0(1) #1 -…

A: A. 1.  From the stoichiometry of balanced chemical reaction given, it is clear that moles of Na2SO4…