A24.0 ml sample of 0.163 m al(no3)3 sample is mixed with a 19.0 ml sample of 0.167 m k2co3. what is the concentration of al3+ after this reaction finishes?

a
none of these
b
0.295 m
c
0.042 m
d
0.373 m
e
0.051 m
f
0.165 m

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.