In a sample of PO4 ,what is the percent composition of Oxygen? 67.40% 67.40% 32.61 % 32.61 % 0.3261 %

Answerd. may include all of these are many definitions of bases: the  brønsted-lowry definition of acids and bases says that bases are proton acceptors.the arrhenius definition of acids and bases says that bases increase [oh⁻] in solution (thereby producing oh⁻ ions)the lewis definition of acids and bases says that bases donate electron pairs.therefore, the sensible answer is that a base may include all of the described characteristics.

Answerthe same as;

Answer//the law of conservation of mass.;