2 NaOH + H2SO4)2 H2O + Na2SO4 How many moles of sodium sulfate will be formed if you start with 4.5 x10^24 molecules of sodium hydroxide and you have an excess of sulfuric acid?

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

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

Which sample at stp has the same number of atoms as 18 liters of ne at stp