Solution. 1  Because the ammonium ion has a 1+ charge and the sulfide ion has a 2â charge, we need two ammonium ions to balance the charge on a single sulfide ion. 2  Because the ions have the same magnitude of charge, we need only one of each to balance the charges.
Estimated 4 Year Cost at Published Tuition. At the current published rates, an estimated total tuition, fees and living expense price for a 4 year bachelor's degree at Transylvania University is $174,640 for students graduating in normal time.
Which part of SEPTA do you want to ride. Tokens for the bus, subway and trolley cost $1. 45 each (if you pay cash instead of using a token, it`s $2), a weekly pass is $20. Train tickets` cost depends on how far you`re going -- ranges from $3 to $9.