Which of the following could be used to formulate 100 mls of a 0.10 M acetate buffer (pK=4.76) at pH 5 if you start with 64 mls of 0.10 M sodium acetate?

What process removes carbon dioxide from the ocean? A evaporation of water from the oceans B decay of dead marine organisms C precipitation into the oceans D formation of shells of marine organisms

What is the molar mass of barium nitrate?

Which colloid is more stable milk or ice cream and how do you know

How many yards in a 40 lb bag of top soil?

What's the correct name for CuS

A) the ka for acetic acid (h3cco2h) is 1.737 * 10-5. what is the pka for this acid? b. use the pka calculated above to determine the ph at which [h3cco2h]=[h3cco2-].

Suppose you take a piece of hard wax from an unlit candle. After you roll the wax between your fingers for a while, it becomes soft. What State of matter is the softer wax? Is it possible for wax to change without changing state

Prevailing winds peru

Foods labeled "fat free" can actually contain less than 0.5 grams of fat.

Plants make their own food. The chemical reaction for this process is shown in the equation below. CO2 + H2O + energy → C6H1206 + O2 What are the products in this chemical reaction? O A. C6H1206 + energy O B. H20 + energy O C. CoH1206+02 O D.