The concentration of iodide ions in a saturated solution of lead(II) iodide is M. The solubility product constantof PbI2 is 1.4x10-8 a. 3.8 x 10-4
b. 3.0 x 10-3
c. 1.5 x 10-3
d. 3.5 x 10-9
e. 1.4 x10-8

Which of the following is not a true statement about dwarf planets? a the kuiper belt contains comets, asteroids, and dwarf planets. b ceres is a dwarf planet located in the kuiper belt. c the largest known dwarf planet in the solar system is named eris.

The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?