E3.010 – Calculate the percentage composition
OWLv2 for General Chemistry
Cengage
01st Edition
You are given a compound and asked for the percent composition of the elements.
You are given a compound and asked for the percent composition of the elements.
% by mass of two elements is given. Determine the empirical formula.
A sample of an element is heated with another element. The mass of an original element and the mass of the metal formed are given. What is the empirical formula?
Atoms are placed so that they touch their neighbor in a straight line. Diameter and moles are given. What is the length of the line?
A mixture of two compounds are given (grams of each given). You need the mass % of an element that appears in both compounds.
A gaseous binary compound is made up of 2 elements and weighs x grams. After decomposing, you get x grams of one of the elements. Molar mass is also given. What is the molecular formula?
How many grams must be dissolved to prepare a certain number of mL of a certain molarity salt solution?
How many mL of an X molarity solution to obtain X grams? Grams and molarity given, calculate mL.
How many mL of X molarity solution are needed to make x liters of x molarity?
A colorless solid has a violent reaction with water. What is the balanced reaction and concentration of products?