Give the melting point of ammonia at 700 torr. Enter numbers only.  It is understood that your answer is in Celsius (oC).

Suppose a solution containing a molecular solute has a solute mole fraction of 0.180. at a temperature of 20 oC. Calculate the vapor pressure (in torr) of the solution if the normal vapor pressure of water at that temperature is 17.54 torr.

A solution with [OH−] = 2.0 × 10^-12 M is classified as:

Two salt solutions are separated by a semipermeable membrane. One side is 1% salt and the other side is 5% salt. During osmosis there is a net movement of:

Which is NOT a conjugate acid-base pair?

A saline solution contains 0.80% (w/v) NaCl. What volume is needed to deliver 4.0 g NaCl?

A solution is prepared by mixing 450. mL water and 150. mL methanol. What is the concentration of methanol in % (v/v)?

The unique Excel function to find the z-score of any value is:

What is the molarity of a solution made by dissolving 29.22 g NaCl in 1.50 L solution? MW NaCl = 58.44 g/mol. Show your work.

The molar concentration of OH− is 1.0 × 10^-8 M. What is the pH? Show your work.