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.
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You are given a compound and asked for the percent composition of the elements.
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% by mass of two elements is given. Determine the empirical formula.
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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?
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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?
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A mixture of two compounds are given (grams of each given). You need the mass % of an element that appears in both compounds.
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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?
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How many grams must be dissolved to prepare a certain number of mL of a certain molarity salt solution?
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How many mL of an X molarity solution to obtain X grams? Grams and molarity given, calculate mL.
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How many mL of X molarity solution are needed to make x liters of x molarity?
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A colorless solid has a violent reaction with water. What is the balanced reaction and concentration of products?
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