
Concept explainers
Interpretation:
The molecular formula of hydrocarbon has to be determined.
Concept Introduction:
The expression to determine molecular weight as per ideal gas equation is given as follows:
Here,
In order to obtain the molecular formula of the compound, multiply the whole number with the subscript of each element present in the empirical formula.

Answer to Problem 13.26P
The molecular formula of hydrocarbon is
Explanation of Solution
The formula to convert degree Celsius to kelvin is as follows:
Substitute
The conversion factor to convert
Thus
The conversion factor to convert
Thus
The conversion factor to convert
Thus,
The expression to determine molecular weight as per ideal gas equation is given as follows:
Substitute
Molecular mass is
The formula to convert mass in grams to moles is as follows:
Substitute
Substitute
Write moles of
The smallest subscript is 0.07395. So, divide each subscript by 0.07395 as follows:
The expression to calculate the empirical formula mass is as follows:
Substitute
The formula to calculate the whole number multiple is as follows:
Substitute
Multiply the subscripts in
The molecular formula is
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Chapter 13 Solutions
General Chemistry
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- Done 18:17 • www-awu.aleks.com Chapter 12 HW Question 24 of 39 (4 points) | Question Attempt: 1 of Unlimited ▼ 20 ✓ 21 × 22 23 24 25 26 raw the structure corresponding to each IUPAC name. Part 1 of 2 .III LTE 22 27 28 סוי 29 29 3 A skeletal structure corresponding to the IUPAC name 3-ethyl-4-methylhexane. Part 2 of 2 Click and drag to start drawing a structure. A condensed structure corresponding to the IUPAC name 2,2,4- trimethylpentane. Click anywhere to draw the first atom of your structure. Check Save For Later Submit < Х ப: G © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility : Garrow_forwardDone 18:25 www-awu.aleks.com .III LTE Chapter 12 HW Question 29 of 39 (6 points) | Question Attempt: 1 of Unlimi... Oli 23 24 25 26 27 28 29 30 Consider this structure. CH2 CH2CH2 CH2CH2CH₂ C -C. -CH2CH3 H CH Part: 0 / 3 Part 1 of 3 Give the IUPAC name of this structure. Skip Part < Check ☑ Save For Later © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility ....................arrow_forwardCalculate Ecell at 25.0 oC using the following line notation. Zn(s)|Zn+2(aq, 0.900 M)||Cu+2(aq, 0.000200 M)|Cu(s)arrow_forward
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