Compare the pH change when 0.04 mol NaOH is added to water vs. when 0.04 mol NaOH is added to the buffer. Based on this, describe the benefit of a buffer.

Which element forms an ionic bond with flourine? 1) fluorine 2) carbon 3) potassium 4) oxygen

Name the intersection of plane bpq and plane cpq.

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.