Displacement reaction → exchange counterions
For NO3- → all salts soluble
For SO42- → insoluble except those of Ca2+, Sr2+, Ba2+, Ag+, and Pb2+
Identify the spectator ion or ions in: Ba(NO3)2(aq) + K2SO4(aq)
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Net Ionic Equations concept. You can view video lessons to learn Net Ionic Equations. Or if you need more Net Ionic Equations practice, you can also practice Net Ionic Equations practice problems.