How much is a mole in chemistry? Like the mathematical term.

An experiment using alpha particles to bombard a thin sheet of gold foil indicated that most of the volume of the atoms in the foil is taken up by ...

To what volume should you dilute 133 mL of an 7.90 M copper (II) chloride solution so that 51.5 mL of the diluted solution contains 4.49 grams of copper (II) chloride? Report your answer to 3 sigfigs, not including units when you type in your answer

What are two foods that have acid in them

In general, non metals are: a. on your far left of the periodic table b. good conductors of electicity c. usually gasses at room temperature d. unable to bond

Study the scenario and the balanced equation. While a Bunsen burner is ignited, 7.45 x 1024 mol of methane (CH4) reacts with an excess of oxygen (O2). CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (g) (M H2O = 18.0 g/mol; M CH4 = 16.

If element X consists of 64.6% of atoms with a mass of 34.0 u, 18.2% of atoms with a mass of 35.0 u, and 17.2% of atoms with a mass of 36.0 u, what is the average atomic mass of element X to the nearest hundredth?

Water has a K, value of 1x 10-13 1x 10-10 1x 10-15 1x 10-14

What evidence do scientists use to explain how the solar system formed? A) All the planets were a result of solar flares from the sun. B) All the planets are made of the same material, mainly helium.

Ta, Os, Th are from metal?

The formula for Na2 O