7 A solution of epsom salt (MgSO) is created by dissolving 1.49 moles of MgSO4 into water to form 748.0 L of solution.
What is the molar concentration (M) of the solution? (show your work and report your answer with the correct sig figs).
(2 marks)

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder