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What is the molarity of a solution prepared by dissolving 20.00g CaCl2 in enough water to make 1.00L of solution?
20.2 g of CuCl2 = .1502 mol CuCl2 M=mol/L M=.1502 mol/L
What is the molarity of a solution which contains 0.120 moles of K2CrO4 in 5.0L of solution?
The Molarity is equal to the number of moles divided by the liters. M=mol/L M=0.120 mol/5.0 L M=0.024 so the molarity is 0.024 M
What is the molarity of a solution in which 0.751 moles of hcl are dissolved in 0.951 liters of solution?
0.751 mol/0.951 L = 0.790 mol/liter = 0.790 M
What is the molarity of a solution consisting of 0.250 mol NaCl dissolved in 2.25 L of solution?
The molarity of the solution is calculated by dividing the moles of solute (0.250 mol NaCl) by the liters of solution (2.25 L). Molarity = moles of solute / liters of solution Molarity = 0.250 mol / 2.25 L = 0.111 M
What is the pH of a 1.8 x 10-5 M HCl Solution?
25g HCl 1 mol 36.46g HCl =.686 mol M=.686 mol/1.5 L=.457M pH= -log(.457) pH= .34
What is the molarity of a solution prepared by dissolving 20.00g CaCl2 in enough water to make 1.00L of solution?
20.2 g of CuCl2 = .1502 mol CuCl2 M=mol/L M=.1502 mol/L
How many grams of ammonia are presented in 5.0 l of a 0.050 m solution?
4.25 grams. .050 M = .050 mol/1 L 5.0 L x .050 mol/L (cancel out L to get mol as a unit)= .25 mol Atomic mass of Ammonia (NH3)= 17 g/mol .25 mol x 17 g/mol (cancel out mol to get g as a unit)= 4.25 g
How many milliliters of 0.250 M NaCl solution must be measured to obtain 0.100 mol of NaCl?
You would need to measure 400 mL of the 0.250 M NaCl solution to obtain 0.100 mol of NaCl. This is calculated by dividing the amount of moles needed by the concentration of the solution: 0.100 mol / 0.250 mol/L = 0.400 L = 400 mL.
What is the molarity of a solution that contains 0.65 moles of NaNO3 in 250 mL of solution?
Molarity (M) = moles of solute (mol) / liter of solution (L)M = mol / LYou have 250 mL of Solution, which is250 mL x ( 1 L / 1000 mL ) = ( 250 / 1000 ) L = .25 LSolute is just what's dissolvedSolvent is just what it's being dissolved inSolution is the solute and the solvent.M = mol / LM = 0.65 mol / 0.25 Liters = 2.6 mol/LThe two numbers that you are given, 0.65 moles and 250 mL both have two significant figures, and the answer is two significant figures (2.6 mol/L)Therefore the answer is 2.6 mol/L.
What is the molarity of a solution which contains 0.120 moles of K2CrO4 in 5.0L of solution?
The Molarity is equal to the number of moles divided by the liters. M=mol/L M=0.120 mol/5.0 L M=0.024 so the molarity is 0.024 M
What is the molarity of a solution in which 0.751 moles of hcl are dissolved in 0.951 liters of solution?
0.751 mol/0.951 L = 0.790 mol/liter = 0.790 M
How many moles of HCl are dissolved in 2.0 L of 0.25 M HCl solution?
0.5 Moles If you have a 0.25 M solution, you have 0.25 mol/dm3, or 0.25 moles in 1 L (0.25 mol/L) If you have 2 L of solution, you have 2 L x 0.25 mol/L = 0.5 mol The L's cancel out, and you're left with moles.
How many moles are in one liter of a 1.52 M solution?
1.52 mol/L * 1.00 L = 1.52 mol
What is the solution for 21 equals m-4?
25
What is the molarity of a solution of .5 mol of CuNo32 in .5 L water?
The molarity of the solution is 1.0 M. This is calculated by dividing the number of moles of solute (0.5 mol Cu(NO3)2) by the volume of the solution in liters (0.5 L).
What is the molarity of a solution containing twelve moles of soute in 6 liters of water?
molarity = moles/litre [solution] = 12 mol/6 L [solution] = 2 mol/L = 2 M
What is the molarity of the solution where 0.5 g of NaCl is dissolved to make 0.05 L of solution?
Given: 0.5 g NaCl; 0.05 L of solution.1) Find the molar mass of NaCl.(22.99) + (35.45) = 58.44 g/mol of NaCl2) Convert grams of NaCl to moles of NaCl.(0.5 g NaCl) X (1 mol NaCl / 58.44 g NaCl) = 0.00855578 mol NaCl3) Use the molarity equation, M = mol / L, to solve for molarity (M).(0.00855578 mol NaCl / 0.05 L) = 0.17 M
