Calculate the amounts of acetic acid and sodium acetate, to prepare ph=7 buffer, of 0.25m and 175ml volume? pka of acetic acid=4.76,96% purity of acid.

Which of the following is always a reactant in a combustion reaction? oxygen nitrogen hydrogen carbon

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

How many moles of al3+ ions are in 1.25 moles of al2o3