▼ Part A What mass of MgCl2 is needed to make 205 mL of a 0.400 M MgCl2 solution? Express the mass with the appropriate units. HA m(MgCl₂)= Value Submit Request Answer Units SAM ?

Q: A mass of 105 g KCl is dissolved in 650 grams H2O. What is the concentration of this solution…

A: Mass percentage = weight of solute Weight of solution ×100

Q: À 0.690 m aqueous solution of KBr has a total mass of 64.0 g. What masses of solute and solvent are…

A: What masses of solute and solvent are present in 0.690m aqueous solution

Q: 2. What mass of NaCl is needed to prepare 30.0% by mass of 500g solution of NaCl? Solution: 30.0% by…

A:

Q: An experiment calls for 211 mL of 0.401 M NaCl solution. What mass of NaCl is required? Mass = What…

A: Mass = Molar mass * Molarity

Q: What volume of stock solution do you need to prepare 50.00 mL of .0125 M HCl solution from 1.25 M…

A:

Q: Determine the amount concentration of a solution when 6.55 g of lithium phosphate is dissolved to…

A: We have given 6.55 gm of lithium phosphate Moles of lithium phosphate in 6.55 gm of lithium…

Q: Calculate the mass, in grams, of solute present in each of the following solution a. 310. g of 1.39%…

A: Dear student since you have posted multiple parts question, As per BARTLEBY QnA guidelines we are…

Q: A solution is made by adding 71.2 g of Na2S to water until the solution volume is 500.0 mL.  What is…

A: Mass of the Na2S is 71.2 g Volume of solution is 500 mL = 0.500 L Molarity of a solution can be…

Q: An aqueous solution is1.983% by mass of sodium sulfite pentahydrate, Na2SO3∙5H2O. What is the…

A: Molarity is defined as the number of moles present in 1 liter of solution. It is given as: Molarity…

Q: An aqueous solution is 3.50% by mass potassium bromide, KBr, and has a density of 1.02 g/mL.The…

A: The molarity of potassium bromide in the solution is calculated in step two.

Q: A solution is prepared by dissolving 15.0 g of NH3 in 250.0g of water. The density of the resulting…

A: The mass of NH3 taken = 15 g  and mass of water taken = 250 g Hence solute is NH3 and solvent is…

Q: A solution containing 40.0 mL of ethanol and 25.0 mL of water. solvent solute Answer Bank water…

A: Given that :-    1)  40.0 mL of ethanol and 25.0 mL of water   2)  6 g of AgNO3  and  15 mL of water

Q: The concentration of a solution of lithium chlorite dissolved in water is 12.5% by mass. In a…

A: Given, mass % of lithium chlorite dissolved in water = 12.5 % mass of water = 52.5 g mass of sample…

Q: What is the molarity of barium sulfide in the resulting solution?.

A: Molarity is the ratio of number of moles of solute to the volum le of solution (in L)

Q: 3. what. mass in 2.0 x 10-5 M grams of HN03 is in 500ML Solution of HNO3?

A: Molarity of HNO3 = 2.0 x 10-5 M  Volume = 500 mL = 0.5 L

Q: Calculate the mass, in grams, of solute present in each of the following solutions. a. 362 g of…

A: Consider the given information as follows; (a) 362 g of 1.79% ammonium chloride solution…

Q: A brine solution is 10.0 % NaCl by mass. What is the molarity of this aqueous solution, given that…

A: Given a brine solution with concentration 10% by mass. Given density of the solution is 1.071 g/ml.…

Q: Calculate the mass, in grams, of solute present in each of the following solutions. a. 343 g of…

A: It is based on the concept of expressing concentration in different ways Here we are required to…

Q: 4. Determine the molarity of a solution containing 2.40g of sodium chloride (NaCI) in 40.0g ml of…

A: Molarity of solution is define as the number of moles of solute(n) dissolve in 1 litre of solution…

Q: A 77.0 mL77.0 mL aliquot of a 0.600 M0.600 M stock solution must be diluted to 0.100 M.0.100 M.…

A:

Q: Dye stock solution      concentration               blue———     0.3523               Yellow.…

A: The given problem is a simple question of mole concept and here we have to find out the molar…

Q: 6 M of HCl solution is required for the chemical analysis. How much water must be added to 250 mL…

A: Given: Initial concentration (stock solution), M1 = 12 M The initial volume (stock solution), V1…

Q: What mass of HCl is contained in 45.0 mL of an aqueous HCl solution that has a density of 1.19 g cm…

A: Given: Volume of solution = 45.0 mL = 45 cm3 density of HCl solution = 1.19 g.cm-3  HCl percent by…

Q: How many grams of sodium hydroxide are present in 247.0 mL of a 0.500 M NAOH solution? mass of…

A:

Q: 10) To make 50.0 mL 0.0107 M MgI2 (molar mass 278.11 g/mol) solution, how many grams of Mgl2 do we…

A: Given-> Volume (V) = 50.0 ml = 0.050 L (1L = 1000 ml) Molality (M) = 0.0107 M Molar mass of MgI2…

Q: Calculate the molarity of the solution when 1005 mL of solution contains 0.037 g of barium acetate.…

A: Given: Mass of barium acetate=0.037 g Volume of the solution=1005 mL=1005/1000=1.005L…

Q: Consider a 3.00 M CH3OH solution. What volume of this solution, in ml, is needed to provide 0.202 g…

A: Given that : Molarity of CH3OH = 3.0 M Mass of CH3OH = 0.202 g Molar mass of CH3OH = 32.042 g/mol…

Q: What is the molarity of a solution in which 50 g of NaOH (molar mass 40.00 g/mol) is dissolved in…

A:

Q: A given solution is prepared by pouring 23.998 g NaOH into 200.0 mL water. (use correct number of…

A:

Q: What is the molarity of sodium chloride in solution that is 13.0% by mass sodium chloride and that…

A: Determination is the molarity of sodium chloride: Given: Mass of sodium chloride is = Density…

Q: The molarity of a solution of 5.0 g of KCl in 100. mL of solution is __________.

A:

Q: A solution is determined to be 0.560% acetic acid by mass. What is its molarity? (Assume the density…

A: The variety of concentrations depicting terms such as percent by mass, molarity etc are interrelated…

Q: Suppose we want to express the concentration of a 0.396m glucose (CeH;2O6) solution in molarity.…

A: Molar mass is the mass expressed in grams of 1 mole of a substance. It is specific for a given…

Q: What is the molarity of sodium chloride in solution that is 13.0 % by mass sodium chloride and that…

A: Given, density of NaCl = 1.01 g/mL Mass % = 13.0 % Molar mass of NaCl = 58.44 g/mol Molarity of NaCl…

Q: 15.0 mL of 17.2 M NaNO3 is diluted to 100.0 mL.  What is the molarity of the new solution?…

A: Given 15.0 mL of 17.2 M NaNO3 is diluted to 100.0 mL Molarity of new solution is