What is the ph of a buffer that is 0.12 m in lactic acid (hc3h5o3) and 0.10 m in sodium lactate? for lactic acid, ka = 1.4 x 10

What are fructose and glucose an example of?

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o