A25.0 ml sample of 0.193 m al(no3)3 sample is mixed with a 20.0 ml sample of 0.185 m kno3. what is the concentration of no3- of this mixture?

a
0.489 m
b
0.341 m
c
0.0808 m
d
0.189 m
e
0.404 m
f
0.426 m

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water