Multiple Choice
A chemist wishing to identify a compound determines the masses of its elements as: 1.445 g S and 6.391 g Cl. Determine its empirical formula.
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3. Chemical Reactions
Empirical Formula
Back3. Chemical Reactions
Empirical Formula
- Multiple ChoiceA 0.2500 g sample of a compound known to contain carbon, hydrogen, and oxygen undergoes complete combustion to produce 0.3664 g of CO2 and 0.1500 g of H2O. What is the empirical formula of this compound? (Please use a 1 for any understood 1 that may be in)
- Multiple ChoiceA compound contains 1.0 g of sulfur (S) and 1.5 g of oxygen (O). What is the empirical formula of the compound?
- Multiple ChoiceA compound contains 15.94% boron, with the remainder being fluorine. What is the empirical formula of the compound?
- Multiple ChoiceIf 0.500 mol of copper combines with 0.250 mol of sulfur, what is the empirical formula of the copper sulfide product?
- Multiple ChoiceA compound has an empirical formula of CH and a molar mass of 39 g/mol. What is its molecular formula?
- Multiple ChoiceWhat is the empirical formula of ?
- Open Question
What is the empirical formula for a compound if a sample contains 3.72 g of P and 21.28 g of Cl?
- Open Question
What is the empirical formula of a compound that contains 27.0% S, 13.4% O, and 59.6% Cl by mass?
- Multiple ChoiceA 4.386 g compound of hydrogen, carbon, and oxygen was burned in 9.389 g of oxygen, producing 6.184 g of carbon dioxide and 3.789 g of water. What is the empirical formula of the original sample?
- Multiple ChoiceA compound consists of 36.33% carbon, 6.11% hydrogen, 21.20% nitrogen, and 36.31% oxygen. What is the empirical formula for this compound?
- Multiple ChoiceWhat is the empirical formula for a compound that contains 39.5% carbon, 2.21% hydrogen, and 58.3% chlorine?
- Multiple ChoiceWhich of the following chemical formulas is an empirical formula?1views
- Multiple ChoiceWhich of the following could be both a molecular formula and an empirical formula?26views
- Multiple ChoiceWhich of the following pairs of compounds do NOT have the same empirical formula?