Calculate the mass of water in which 1.00 g of MgSO4.7H20 should be dissolved so that the resulting solution will be 20.0% MgSO4 and 80.0% water by mass. (MgSO4•7H20 consists of 51.17% H20 and 48.83% MgSO4 by mass)

The excretory system,need answers for all: )

Which statement explains why the bonds between non metals tend to be covalent? the bonds are found to be nondirectional they have large differences in electronegativity they have small differences in electronegativity they have ions that produce an electrostatic pull

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements