7. Which of the following has the greatest mass?
a. 2 mol H20.
b. 2 mol NH3
c. 2 mol CH4

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m

Gasoline has a density of 0.740 g/ml. if you have 328 grams of gasoline, what is the volume in milliliters?