How many moles are in 32.7 grams of C2H6O?

The number of moles : = 20.187

Further explanation

Mole itself is the number of particles contained in a substance  

1 mole = 6.02.10²³ particles  

Mole can be determined if the amount of substance mass and its molar mass is known  

n = mole

m = mass, g

M = molar mass, g/mol

Given

930 g of ethanol C₂H₆O

Required

The number of moles

Solution

Input the value

moles :

= mass : molar mass

= 930 g : 46,07 g/mol

= 20.187

Learn more  

the mole fractions of the solute and the solvent  

brainly.ph/question/2062141  

moles of CaCO3  

brainly.ph/question/2356002  

the mole ratio of Al to Cl2  

brainly.ph/question/2124499  

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With this grams to moles calculator, you can swiftly find how to calculate moles to grams for any substance. It can also work the other way around as a grams to moles conversion tool! Read on to learn the grams to moles formula, try solving a problem of how to convert grams to moles yourself, and forget having any issues converting g to mol in the future!

🙋 Do you want to learn more about moles? Omni's mole calculator will help you gain knowledge.

How to calculate moles from grams? - Grams to moles formula

To correctly estimate the number of moles, n, of a substance of a specific mass, m, (in grams), you need to follow the grams to moles formula:

n = m / M,

where:

• M is the molar mass of this material. The unit is typically g/mol.

But wait, what actually is a mole? The mole is the SI unit of measurement for the amount of a substance. In one mole of matter, there are precisely 6.02214085774 × 10²³ atoms, molecules, or anything else. This tremendous value refers to Avogadro's number (feel free to check our Avogadro's number calculator to find more insights). In other words, it's the unit of quantity, similarly to a dozen or a gross.

Anyway, that's quite a lot, isn't it? This is the reason why it's more convenient to know how to convert grams to moles instead of grams to the number of atoms. This grams to moles calculator helps you evaluate the right result in a fraction of a second.

How to use g to mol calculator?

The tool is really user-friendly and pretty straightforward to use:

1. Pick one of the possible groups of compounds (you can choose one from Common Gases and Liquids, Salts, Acids, Alkalis, Organic, or Pure Metals).

2. Find the chemical of your desire from the second list. You can also enter any custom value for molar mass.

3. Input the mass of your substance.

4. …And that's all! Our grams to moles calculator knows how to do its stuff!

5. You can also find the total number of molecules (or atoms) in the Advanced mode.

How to convert grams to moles: an example

Take a look at the example of how to calculate moles from grams. Imagine you have 6 liters of pure water:

1. Find the molar mass of a water molecule (H₂O). It's ca. 18.015 g/mol.

2. Convert the volume of the water to its mass, assuming that the density of pure water is mol0:

   mol1.

3. It's easier to work with grams, so convert the mass:

   mol2.

4. As you already know how the grams to moles conversion work, find the number of moles:

   mol3.

You can always use our grams to moles calculator to check the result!

Knowing how to convert grams to moles may be helpful in numerous chemical tasks, e.g., finding the mole fraction of a solution. There is also a solution to try the mole fraction calculator instead.

You can do the reverse unit conversion from moles C2H6O to grams, or enter other units to convert below:

Enter two units to convert

›› Common amount of substance conversions

grams C2H6O to centimol
grams C2H6O to micromol
grams C2H6O to nanomol
grams C2H6O to atom
grams C2H6O to decimol
grams C2H6O to kilomol
grams C2H6O to molecule
grams C2H6O to millimol
grams C2H6O to picomol

›› Details on molecular weight calculations

In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together.

A common request on this site is to convert grams to moles. To complete this calculation, you have to know what substance you are trying to convert. The reason is that the molar mass of the substance affects the conversion. This site explains how to find molar mass.

The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. We use the most common isotopes. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass.

Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. These relative weights computed from the chemical equation are sometimes called equation weights.

If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.

Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance.

Finding molar mass starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula.

›› Metric conversions and more

ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!

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