Consider the titration of 135 ml of 1.25 m diethylamine, (ch3ch2)2nh (kb = 1.3 x 10-3) with 0.25 m hcl. how many ml of hcl will need to be added to the diethylamine, (ch3ch2)2nh solution to reach a ph of 11.11?

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false