Write the empirical formula for at least four ionic compounds that could be formed from the following ions:,

C2H3O-2

,

Pb+4

,

Fe+3

,

MnO-4

Earth's surface area is 5.10 * 108 km2, and its crust has a mean thickness of 35 km and mean density of 2.8 g/cm3. The two most abundant elements in the crust are oxygen (4.55 * 105 g/t) and silicon (2.

What is silver + water (steam)

What is the total number of atoms in the formula Ca (ClO3) 2?

Which term describes a trace, print, or remain of an organism preserved over time in a rock? A. skeleton B. fossil C. mineral D. sedimentary rock

What is the term for the dissolving medium in a solution?

What is the purpose of a cell membrane

More polar solvents (eluents) move molecules more rapidly than less polar solvents. If you used a 1:1 hexanes:methanol mixture as solvent, would you expect the products to elute faster or slower?

C12 has 6 protons. how many neutrons does c13 have? a. 6 b. 7 c. 13 d. 19

Imagine you are at a local water park on a hot summer day and your feet begin to get hot from the cement. Looking ahead, you notice that there are two paths you can take to your favorite waterslide.

Determine the pH of a 0.350 M solution of HA. The pkb of A - is 12.830.