Which image(s) would be considered pure substances? a) v b) i and ii c) ii and iv d) iii and v

Iam not going to tell you

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.

Ithink b not to sure hope that : )

Number of molecules=(12.01+2x15.9994)/112 x na