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Gasoline vapor is composed of gasoline molecules in the gas phase. Whatever the molecular mass of gasoline is in the liquid or solid phase, it is the same in the gas phase. Octane, C8H18, is the primary hydrocarbon in gasoline, We can use octane to answer this question. The molecular mass of C8H18 can be determined by multiplying the subscripts for C and H by the atomic weight of each element and adding the results: (8 x 12.011 u) + (18 x 1.008 u) =114.232 u
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Gasoline molar mass?
The molar mass of octane (C8H18), the primary component of gasoline, is approximately 114 g/mol. However, gasoline is a mixture of many hydrocarbons, some with as few as four carbons, while others have up to 12. According to US government agencies, such as DOE and EPA, on average, without adding any ethanol, the molar mass of gasoline is only 100 to 105 g/mol.
Is it always true that the molecules of dense liquid are heavier than the molecules of lighter molecules?
NO. Water has a density greater than gasoline, but gasoline, octane anyway, has a greater molecular mass than water molecules.
What is the mass of hexane?
I assume you mean the molecular mass. Its molecular mass is 86.175
What is the molecular for sucrose?
I assume you mean the molecular mass. Its molecular mass is 342.3g/mol
What is the molecular mass of cytosine?
The molecular mass of cytosine is approximately 111.1 grams per mole.
What is the molecular mass in pentane?
Molecular mass of pentane is 72 u.
what is the molecular mass of water vapour?
The molecular mass of water vapour is 18.01528
What is the gram molecular mass of hydrogen?
The gram molecular mass of hydrogen is 1 gram per mole.
What is the gram molecular mass of a compound if 5 moles of the compound has a mass of 100 grams?
To find the gram molecular mass of the compound, you can use the formula: mass = moles × gram molecular mass. Given that 5 moles of the compound have a mass of 100 grams, you can rearrange the formula to find the gram molecular mass: gram molecular mass = mass / moles. Thus, gram molecular mass = 100 grams / 5 moles = 20 grams per mole.
How can you find the molecular mass of a substance from its mass spectrum?
Obtain the molecular mass by determining the m/z value of the molecular ion peak (rightmost in the spectrum).
What is the molecular mass of sodium chloride?
The molecular mass of sodium chloride is 58,44 (rounded).
What is molecular mass for aldehyde?
The molecular mass of an aldehyde depends on the specific compound. For example, the molecular mass of formaldehyde (CH2O) is 30.03 g/mol, while the molecular mass of acetaldehyde (C2H4O) is 44.05 g/mol. You can calculate the molecular mass by adding up the atomic masses of all the atoms in the compound.
