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gram molecular weight of C6H8O7=(atomic weigth of carbon X 6)+(atomic weigth of hydrogen X 8+(atomic weigth of oxygen X 7)

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Molecular weight of petrol?

The molecular weight of petrol can vary based on its composition, but it is typically around 114-120 grams per mole. This is a rough average as petrol is a mixture of hydrocarbons with different molecular weights.


What is a molecular weight?

The sum of the atomic weights of all atoms making up a molecule. Actually, what is meant by molecular weight is molecular mass. The use of this expression is historical, however, and will be maintained. The atomic weight is the mass, in atomic mass units, of an atom. It is approximately equal to the total number of nucleons, protons and neutrons composing the nucleus. Since 1961 the official definition of the atomic mass unit (http://www.answers.com/topic/amu) has been that it is 1/12 the mass of the carbon-12 http://www.answers.com/topic/isotope, which is assigned the value 12.000 exactly.


What is the difference between molecular weight in amu and molecular weight in grams?

The only difference is the name of the unit; the numerical values are the same. However, the value in amu is the mass of a single molecule, while the molecular weight in grams is the mass of Avogadro's number of molecules. The mass of Avogadro's number of molecules is called a Gram-mole. The molecular weight of , say, Hydrogen H2 is 2 amu. A gram mole of this would be 2 grams. The molecular weight in grams is the weight of this molecule in real grams and is an extremely small value.


How do you calculate the molecular weight of nitrous oxide?

To calculate the molecular weight of nitrous oxide, also known as N2O, add the atomic weights of the elements in the chemical formula: nitrogen (N) has an atomic weight of 14.01 g/mol and oxygen (O) has an atomic weight of 16.00 g/mol. Therefore, the molecular weight of nitrous oxide (N2O) is 44.02 g/mol.


Specific gravity of oxygen is?

Start with the molecular weight of oxygen, twice the atomic weight because it's O2. So the molecular weight is 32. Now at school you learn that a gram-mole of any gas occupies 22.4 litres. A gram-mole of oxygen weighs 32 grams (1 gram times the molecular weight). Therefore 32 grams of oxygen occupies 22.4 litres (at normal temperature and pressure). 22.4 litres of water (specific gravity = 1) weighs 22400 grams. Therefore the specific gravity is 32/22400 = 0.00142857 . . That's it!

Related Questions

What are the gram molecular weights of H2O?

18


What is the process to calculate the gram molecular weight of the unknown liquid?

To calculate the gram molecular weight of an unknown liquid, you need to determine the molecular formula of the liquid and then add up the atomic weights of all the atoms in the formula. This will give you the gram molecular weight of the unknown liquid.


How do you get gram molecular weight?

gram molecular weight = weight of one mole of the substance in grams for example 1 mole of water weighs 1 + 1 + 16 = 18 grams so gram molecularweight of water is 18g


What is the gram molecular mass of hydrogen?

The gram molecular mass of hydrogen is 1 gram per mole.


What is a gram of a molecular substance?

A gram of a molecular substance is the quantity that will have a mass of 1 gram.


Difference between Gram atom and gram molecule?

It's much simpler than you're probably thinking. You use the term gram atomic weight for atoms, and the term gram molecular weight for molecules. That's all. The gram molecular weight of a molecule is the sum of the gram atomic weights of the atoms making up that molecule.


True or false Gases with high molecular weights diffuse more slowly than gases with lower molecular weights?

True. Gases with high molecular weights have slower diffusion rates compared to gases with lower molecular weights due to their larger mass and lower average speed of the molecules.


What is the mass of a single molecule of water?

- calculate the molecular mass of the substance from the atomic weights of the contained elements - 1 molecule gram of any substance contain 6,023 141 79.1023 molecules (Avogadro number) - mass of a single molecule is: Molecular mass in grams/Avogadro number


What is something that weights a gram?

The metric system equates volumes of water to weights. One liter of water weights one kilogram (about 2.2 pounds), and one mL of water weighs one gram.


What has the author Robert U Bonnar written?

Robert U. Bonnar has written: 'Number-average molecular weights' -- subject(s): Measurement, Molecular weights


What is the standard for the molecular weights of molecules?

carbon-12


How much a pound weights in gram?

112 grams