When preparing a buffer, why is water added in two stages? Why is water not added to the buffering agent up to the desired final volume, all in one step?

answer; /// i do believe that the correct answer is (c)nuclear bond

the answer is learned

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).

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the atomic number of carbon is six, which means that a carbon atom has six protons. carbon has three naturally occurring isotopes: carbon-12, carbon-13, and carbon-14. which of these statements are true about carbon and its isotopes? select all that appl