Multiple Choice
How many atoms of oxygen are present in 2Ca(NO3)2?
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3. Chemical Reactions
Molecular Formula
Back3. Chemical Reactions
Molecular Formula
- Multiple ChoiceWhich of the following pairs of formulas contain equal numbers of nitrogen atoms?51views
- Multiple ChoiceHow many chlorine atoms are present in one molecule of CCl_4?52views
- Multiple ChoiceGlucose is a simple sugar commonly found in nature. Which of the following is the correct molecular formula for glucose?46views
- Multiple ChoiceWhich compound has the same empirical formula and molecular formula?1views
- Multiple ChoiceWhich of the following is the correct molecular formula for calcium carbonate?44views
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- Multiple ChoiceHow many iodine atoms are present in 3 molecules of CI_4?43views
- Multiple ChoiceHow many oxygen atoms are present in one molecule of H_2O?50views
- Multiple Choice
Elemental analysis of a pure compound indicated that the compound had 72.2% C, 8.50% H and the remainder as O. If 0.250 moles of the compound weighs 41.55 g, what is the molecular formula of the compound?
2361views29rank1comments - Multiple ChoiceWhich of the following is NOT a molecular compound?1172views1rank
- Multiple ChoiceWhich of the following is a molecular element?981views
- Multiple ChoiceWhich of the following names and formulas are NOT paired correctly?629views
- Multiple Choice
Use the given empirical formula and molar mass to determine the molecular formula.
Empirical Formula: NH2 Molar Mass: 32.052 g/mol
1022views14rank - Multiple Choice
Glyceraldehyde (M = 90.078 g/mol), a simple monosaccharide, is comprised of 39.999% C, 6.714% H, and 53.297% oxygen by atomic weight. What would be its molecular formula?
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