A metal cube has a mass of 54g and a volume of 20.0cm^3. Is this metal composed of pure aluminum. Support your answer with an explanation.

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

Compare and contrast solutions and suspensions

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?