posted by millie .
1. if 10mL of 0.004M AgNO3 is added to 10mL of 0.0024M K2CrO4, is either Ag+ or CrO4(2-) in stoichiometric excess? if so, which is in excess?
2. the Ksp for BaCrO4 is 1.2x10-10. will BaCrO4 precipitate upon mixing 10 mL of 1x10-4M Ba(NO3)2 with 10mL of 1.0x10-4M K2CrO4?