A)
olarity = mol / volume
mol = mass/MW
mol= 50 / 337 = 0.148367 mol
V = 0.180 L
M = 0.148367/0.180
M = 0.82426 M
What is the molarity of a solution that contains 50.0 g of vitamin B_1 hydrochloride (molar...
What is the molarity of a solution that contains 50.0 grams of soduim hydroxide, NaOH in 855 mL of solution? The molar mass of NaOH is 40.0 grams.
What is the molarity of a solution of 10% by mass cadmium sulfate, CdSO4 (molar mass = 208.46 g/mol) by mass? The density of the solution is 1.10 g/mL.
8. Which beaker contains more dissolved glucose particles? Solution A Solution B 50.0 mL of 1.25 M glucose solution. 50.0 mL of 25 % (m/m) glucose solution. Molar Mass Glucose - 180.156 g/mol Density of 25% solution = 1.56 g/mL
An solution of antifreeze is prepared by mixing 21.0mL of ethylene glycol (d = 1.11 g/mL; molar mass = 62.07 g/mol) with 50.0 mL H2O (d = 1.00 g/mL) at 25°C. If the density of the antifreeze solution is 1.07 g/mL, what is its molarity?
Calculate molarity of 10.00 g/L solution of the salt, if its molar mass is 100.0 g/mol and solution density D=1.100 g/mL.
A solution contains 0.180 g of an unknown nonelectrolyte solute in 50.0 g of water. The solution freezes at –0.040 0C (notice the negative sign). A) What is the molar mass of the unknown solute? B) What is the boiling temperature of the solution? Kf(water) = 1.86 K kg mol-1 ; Kb(water) = 0.51 K kg mol-1 . Assume that the solute only exists as a monomer in aqueous solution.
Ascorbic acid, vitamin C, is a water-soluble vitamin. A solution that contains 80.5g ascorbic acid, C6H806 dissolved in 210g of water has a density of 1.22g/mL at 55C. With this information, answer the exercises of the 15-18. calculate % per mass of ascorbic acid, vitamin C calculate the molar fraction of ascorbic acid, vitamin C calculate the molality of ascorbic acid, vitamin C Calculate the molarity of ascorbic acid, vitamin C
Calculate the molal (not molar) concentration: c) A 1% (w/w) solution of cocaine hydrochloride (molar mass 339.81 g/mol) in water.
A solution of antifreese is prepared by mixting 34.0mL of ethylene glycol (d=1.11g/mL; molar mass =62.07 g/mol) with 50.0 mL H20 (d=1.00 g/mol) at 25 degrees celsius. if the density of the antifreeze solution is 1.07 g/ mL, what is the molarity?
n sucrose (molar mass 342.22 g) solution that 7. What is the molarity of a 1.45 m sucrose (molar mass 342.24 B has a density of 1.10 g/ml? (16 points) Answer: 8. What would be the volume of a .800 M solution of C12H22011(342.22 g/mole) made with 505 g of solute? (6 points) 22 points Answer: