What is the mass of:

5.00 x 10^-2 mol CuCl2

A solution with a ph of 5 is how many times more acidic than a solution with a ph of 9

The pH of the ocean surface is about 8.1, although it does vary by location. What is the molar concentration of [H3O+] if the ocean has a pH of 8.15?

What would be challenging about life on Mars?

What is true of valence electrons? question 8 options: they are always the lowest energy electrons of the atom. they easily move from one orbital to another. they have difficulty moving from one orbital to another. they exist in the outer orbital?

Why is the atomic mass for Calcium a decimal? How many protons does it have? Neutrons? Electrons?

Which is more concentrated, a solution (1) prepared by dissolving 21.0 g of naf (0.500 mol) in enough water to make 500 ml of solution or a solution (2) prepared by dissolving 10.5 g (0.250 mol) of naf in enough water to make 100 ml of solution?

Hi i need hel does any one know what P3N2 means?.-.

How does thermal energy transfer when a room is heated by a furnace?

De que está echo nuestro sol

Several steps are involved in the industrial production of sulfuric acid. One step involves the oxidation of sulfur dioxide gas to form sulfur trioxide gas. A catalyst is used to increase the rate of production of sulfur trioxide gas.