5. What is the molarity of a solution when 2 moles of solute are dissolved in 500 mL of solution? 6. How many grams of NaOH(s) are required to make 2.0 L of a 3.0 M NaOH solution? East The

Q: If 2.0 mL of 6.0M NaOH is used to make a 500.0-mL aqueous solution, what is the molarity of the…

A: Given: M1 = 6.0 M V1 = 2.0 mL V2 = 500.0 mL

Q: Calculate the mass (in grams) of sodium sulfide that is needed to make 350 mL of a 0.50 mol/L…

A: Molarity of sodium sulfide solution = 0.50 mol/LVolume of solution = 350 mL = 0.350 LMass of sodium…

Q: The density of a 7.50% solution of ammonium sulfate, (NH 4) 250 4, is 1.04 g/mL. What mass of (NH 4)…

A: Given  %(w/w) = 7.50 %  Density of solution  = 1.04  gram/mL Volume of solution = 750 mL  Mass of…

Q: What mass of kclo3 is needed to make 433.2 g of a 5.9% by mass solution

A:

Q: How many grams of HCl are in 100.0 mL of 12.0 M HCl solution?

A: Given that, volume of HCl solution is 100 mL and molarity is 12.0M (i.e, 12 mol/L). The molarity is…

Q: A 37.0 mL aliquot of a 0.600 M stock solution must be diluted to 0.100 M. Assuming the volumes are…

A: Dilution factor (DF) refers to ratio of volume of the initial (concentrated ) solution to the volume…

Q: When 234 mL of water are added to 11.9 mL of 16 M HCI, what will be the new molarity? i M HCI

A: Given: Volume=11.9 mL=11.9×10-3 LMolarity=16 MVolume added=234 mL=234×10-3 L To find: Final molarity…

Q: What is the weight/volume percent concentration using the given amount of solute and total volume of…

A: a. 5.5 g of LiCl in 550 mL of solution b. 12.5 g of NaNO3 in 250 mL of solution c. 20.0 g of NaOH in…

Q: What mass of silver nitrate, AgNO3, is requiredto prepar 800 g f350% solution of AgNO3 ? a. 24.6 g…

A: The required mass of Silver nitrate can be calculated as3.50% AgNO3 means 3.50g AgNO3/100 g soln.

Q: How many moles of NaOH are present in a 0.881 mol/kg of NaOH solution if there is 350 mL of  water…

A: Molality: The number of moles of the solute dissolved in one kilogram of the solution is known as…

Q: If you add 250 ml of water to 250 ml of a 0.8M NaOH solution, what will the molarity of the diluted…

A: M1V1=M2V2 250*V1=500*.8

Q: Find the Molarity of a solution that contains: a). 0.250 moles of KBr in 750.0 mls of solution. b).…

A: Molarity = moles / Volume of solution (in L) a) volume of solution =750 mL…

Q: 14. A 25.0 mL sample of concentrated H3PO4 (14.7 M) is diluted to a final volume of 750.0 mL. What…

A: Dilution is the process of decreasing the concentration of a solute in a solution usually simply by…

Q: How many mL of 0.58 M solution are needed in order to have 0.125 moles of solute?

A:

Q: Molar mass of NaOH is 40 g/mol. How many grams of NaOH   do you have to take to prepare: a. 1 L of…

A: Molar mass of NaOH is 40 g/mol a. 1 L of 10 M solution of NaOH?   As we know, number of NaOH moles =…

Q: 1.b

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: An ammonia solution is 23% NH3 by mass and has a density of 0.92 g/mL at 20°C.  What is the molarity…

A:

Q: An ammonia solution is 23% NH3 by mass and has a density of 0.92 g/mL at 20°C.  What is the molarity…

A: Given that : Mass% of NH3 = 23% Molar mass of NH3 = 17.04g/mol Density = 0.92g/mL = 0.92g/cm-3…

Q: 33. If 0.5 L of a 12-molar solution is diluted to 1.0 L, what is the molarity of the new solution? *…

A: A mole of a substance weighs its molar mass  let the substance have a weight of m g and its molar…

Q: I need help with the set up of finding the mass of a 25% NaOH solution. (0.25 g NaOH per 1 mL…

A:

Q: You have 500 mL of a concentrated stock solution. You use 10 mL of this solution  to prepare 100 mL…

A: The idea with diluting a solution is that the number of moles of solute will remain constant after…

Q: How many grams of NaOH are required to prepare 80.0 mL of a 10.5 M NaOH solution?

A: The number of moles of a given chemical species are defined as the ratio of mass to the molar mass.…

Q: A concentrated phosphoric acid solution is 85.5% H 3PO 4 by mass and has a density of 1.69 g/mL at…

A: Given that ,  Mass percent of H3PO4 = 85.5 %  Density of H3PO4 solution = 1.69 g/mL  Molarity of…