Chemistry Homework Help

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Calculate Molarity

Q. Which solution has the greatest osmolarity? a) 0.35 M AlCl3 b) 0.14 M KF c) 0.2 M CaBr2 d) 0.6 M NaCl e) 0.10 M KNO3

Solved • Nov 7, 2019

Calculate Molarity

Q. A 1.93M solution of "A" has an absorbance of 0.54. What is the absorbance of solution "B" which has a concentration of 1.09M? The path length of the cell is 3.0cm.

Solved • Nov 3, 2019

Calculate Molarity

Q. What is the molar absorptivity of the compound based on the following Beer's Law plot ( Abs vs Conc.) ? A = εbc ( b = 3.0 cm) Beers Law

Solved • Nov 3, 2019

Calculate Molarity

Q. An aqueous solution is 28% acetic acid (C2H4O2) by mass. The density of the solution is 1.03 g/mL. calculate the molarity, molality, and mole fraction of acetic acid. please help with me understanding the steps to this question

Solved • Oct 24, 2019

Calculate Molarity

Q. (NH4)2S is a strong electrolyte. Determine the concentration of each of the individual ions in a 0.350 M (NH4)2S solution. [NH+4]= M [S2−]=

Solved • Oct 22, 2019

Calculate Molarity

Q. What is the molarity of an aqueous solution that is 2.50% glucose (C6H12O6) by mass? Assume the density of the solution is approximately 1.04 g/mL.

Solved • Oct 3, 2019

Calculate Molarity

Q. 5. A solution is prepared by dissolving 32.0 g of acetic acid (CH3COOH; d = 1.05 g cm^-3) in 0.350 kg of water (d = 1.00 g cm^3) resulting in a final volume of 380.5 mL. Find each concentration of the solution (each to two decimal places): (a) molarity

Solved • Sep 20, 2019