How many moles of aluminum sulfide is produced when 7.5g aluminum reacts with sulfur?

The solubility product of ag2cros is 9.0 x 10 . explain the difference between the equilibrium position attained when silver chromate is added to pure water and when it is added to 0.100 m agno3 12

13. a covalent bond between two atoms is likely to be polar if: a. one of the atoms is much more electronegative than the other. b. the two atoms are equally electronegative. c. the two atoms are of the same element. d. the bond is part of a tetrahedrally shaped molecule. e. one atom is an anion.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-