Formulas from Analyses (Section)Give the empirical formula

Chapter , Problem 45E

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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.

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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)

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