1. The "3" in 3 CaCl2 is called the:

How many moles of ammonium sulfate can be from the reaction of 30.0 mol of NH3 with H2SO4 according to the following equation: 2NH3+H2SO4 = (NH4) 2 SO4

Determine the mass of Al (C2H3O2) 3 that contains 2.63 Χ 1024 atoms of oxygen.

What effect does salt have on most metals?

One mole of beryllium (be) contains the same number of atoms as 22.99 g of sodium. There are about 2.007*1023 atoms in 9.0 g al. One mole of calcium (ca) weighs about as much as two moles of neon (ne). 11.495 g of sodium contains 6.022*1023 atoms.

Yusef adds all of the values in his data set and then divides by the number of values in the set. What is Yusef most likely finding?

FeCl3 (aq) + Na3PO4 (aq) - - > FePO4 (s) + NaCl (aq) [unbalanced]

How many 3d electrons are in an atom of each element? fe express your answer as an integer?

What functional group of aspirin causes it to irritate the stomach?

Scrubbers in smoke stacks remove large amounts of what major air pollutant? a. carbon dioxide b. sulfur oxides c. nitric acid d. sodium oxides e. mercury

Three characteristics of metals are