28.98 mL of a 0.1962 mol/L EDTA solution is required to titrate a sample to the equivalence point. How many moles of divalent metal cations were in your sample?

You want to rent an unfurnished one-bedroom apartment for next semester. You take a random sample of 10 apartments advertised in the local newspaper and record the rental rates. Assume the rental rates are normally distributed. Here are the rents (in dollars per month). 515, 650, 655, 565, 575,...

An application calls for N2(g) with a density of 1.80g/L at 32 degrees.What must be the pressure (atm) of the N2(g)?

4.32*10^24 atoms of Oxygen equals how many oxygen gas molecules?

An aerosol spray can with a volume of 441 mL contains 3.09 g of propane gas as a propellant. What volume would propane occupy at STP?

A sample of gas occupies 150 mL at 25C. What is its volume when the temperature is increased to 50C? (P constant)