If 0.5 moles of BaCl2 is mixed with 0.2 moles of Na3PO4, the maximum number of moles of Ba3(PO4) 2 that can be formed is : a) 0.70 b) 0.50 c) 0.30 d) 0.10. I believe answer should be 0.16 but there's no such option. What do I do now?