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Formulas from Analyses (Section)Give the empirical formula
Chapter , Problem 45E(choose chapter or problem)
QUESTION:
Problem 45
Empirical Formulas from Analyses (Section)
Give the empirical formula of each of the following compounds if a sample contains: (a) 0.0130 mol C, 0.0390 mol H, and 0.0065 mol O; (b) 11.66 g iron and 5.01 g oxygen; (c) 40.0% C, 6.7% H, and 53.3% O by mass.
Questions & Answers
QUESTION:
Problem 45
Empirical Formulas from Analyses (Section)
Give the empirical formula of each of the following compounds if a sample contains: (a) 0.0130 mol C, 0.0390 mol H, and 0.0065 mol O; (b) 11.66 g iron and 5.01 g oxygen; (c) 40.0% C, 6.7% H, and 53.3% O by mass.
ANSWER:
Step 1 of 4
Number of moles can be calculated by the following formula;
..................................(1)