How many moles of potassium nitrate, KNO3 are present in a sample with a mass of 85.2 g?

How do I explain electronic configuration in chemistry to a 6th grader so that it stays with her for life?

An aqueous solution of a soluble compound (a nonelectrolyte) is prepared by dissolving 33.2 g of the compound in sufficient water to form 250 ml of solution. the solution has an osmotic pressure of 1.2 atm at 25 °c.

The molecular weight of potassium ferricyanide is 329.24 grams/mol. How would you make 1 liter of a 500mM potassium ferricyanide solution?

What is one everyday thing that revolves?

Choose the statements about benzene that are correct. all benzene hydrocarbons are ChHp-2 All C-C bonds share 2 pairs of electrons, Three C-C bonds share 2 pairs of electrons, All of the C-C bonds are actually identical, The structure of the

A discharging lead-acid battery is best described as 1.) chemical cells that use an electrical current 2.) chemical cells that produce an electrical current 3.) electrolytic cells that use an electric current 4.

Which direction does 3A + 2B = C + 2D + Heat

Which of the following shows a correct relationship between first ionization energies of the given atoms? View Available Hint (s) Which of the following shows a correct relationship between first ionization energies of the given atoms?

How many moles of AlCl3 are in 2.25L of a 0.15 molar solution? A. 0.07 moles B. 0.15 moles C. 0.34 moles D. 15

Which kind of element forms covalent bonds give two reasons for this