A solution of 0.15M NH3 is only 1.1% ionized in solution. Calculate the pH. The Kb for NH3 is 1.8 x 105.

Which metal exist in liquid state and can be cut with knife ?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false