A copper sulfate solution contained 0.100 moles of copper sulfate dissolved in 0.500 dm3 of water.
Calculate the mass of copper sulfate in 30.0 cm of this solution.
Relative formula mass (M.): CuSO4 = 159,5​

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. : )

Turbo the snail moves across the ground at a pace of 12 feet per day. if the garden is 48 feet away, how many days will it take for the snail to get there?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation