A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?

What is the mole fraction of I2 in a solution made by dissolving 27.8 g of I2 in 260 g of hexane, C6H14?

A solution is prepared by dissolving 171 g of CdCl2 in enough water to make 250.0 mL of solution. If the density of the solution is 1.556 g/mL, what is the molarity of the solution?

Which should be least soluble in water?

Which drawing above represents the system with the highest entropy?

The Octet Rule is the tendency of main group atoms to form enough bonds to obtain eight valence electrons

Which of the following is a TRUE comparison of Gram-positive and Gram-negative cell walls? (CS 8)

The dipole for a covalent bond indicates an unequal sharing of electrons by the atoms. 

The correct chemical formula for the compound formed by Ca and Br is CaBr.

Which choice BEST describes why the invention of the microscope is important to the field of microbiology? (H 2)