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 cm3 of this solution.
Relative formula mass (Mr): CuSO4 = 159.5

Define the kinetic molecular theory

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.

Which of the following is a property of nonmetals? a. nonmetals are ductile. b. nonmetals have a shiny luster. c. nonmetals have high density. d. nonmetals are nonconductors.