The density of carbon tetrachloride is 1.59 g/ml. Calculate the volume of 26.4 grams of the liquid.

Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.

The sum of the oxidation numbers in a neutral compound is always

Ahelium balloon contains 16.9 l of helium at stp. how many atoms of helium are in the balloon