T tlcmqn New Member 10+ Year Member Mar 19, 2009 #1 Advertisement - Members don't see this ad what is the ksp of an unknow metal phosphate, M3PO4, if a saturated aqueous solution of the pure salt has a phosphate concentration of 9.0x(10^-4) M? Answer: 27(9x10^-4)^4 where did the 27 come from???
Advertisement - Members don't see this ad what is the ksp of an unknow metal phosphate, M3PO4, if a saturated aqueous solution of the pure salt has a phosphate concentration of 9.0x(10^-4) M? Answer: 27(9x10^-4)^4 where did the 27 come from???
pbure9 Full Member 10+ Year Member 15+ Year Member Mar 19, 2009 #2 I'm not sure where the M came from but the 27 comes from the following its 9E-4 M of PO4 ions, so say thats n ksp = (M)^3 (PO4) now M = 3n so you get ksp = (3n)^3 x 👎, which is 27(9E-4) hope this helps! Upvote 0 Downvote
I'm not sure where the M came from but the 27 comes from the following its 9E-4 M of PO4 ions, so say thats n ksp = (M)^3 (PO4) now M = 3n so you get ksp = (3n)^3 x 👎, which is 27(9E-4) hope this helps!
