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Mol is an official unit of concentration in SI, not of mass.
The transformation of a concentration expressed in mass per volume in a concentration in moles is at your choice.

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8y ago
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Q: Why do we need to convert mass to moles?
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How do you convert grams to moles using avogadros number?

You don't need to use Avogadro's number, you need the mass of the molecule in atomic units. Mass / molecular mass = moles eg for water, 36 grams / 18 atomic units = 2 moles


How do you convert an element to moles?

to convert an element to moles you need to setup and equation, for our example we will be using 5g of O2 or oxygen. You need to know what O2's molar mass is as well, it is 32g. So the equation would be 5g of O2 / 32 = .16 moles of O2. So to convert moles to grams all you do is multiply the moles given by the molar mass of the element/compound and you have your grams Hoped this helped : )


How to convert grams to atoms?

To convert grams into atoms, you have to convert them into moles first. Get the molar mass and multiply it by the number of moles to get the atoms.


How can you convert among the count mass and volume of something?

To convert between mass and volume you need the density of the substance. Density = mass/volume. It is not clear what you mean by count. If you are thinking of large scale objects then if they are all alike, you can convert mass to count if you know the mass of one of them. I wonder if you are thinking of chemical quantity expressed in moles? The conversion in this case is moles = mass/molar mass.


Convert 1.3 moles of calcium to grams?

52.1grams. moles = mass (in grams)/RMM (relative molecular mass) 1.3 moles = mass (in grams)/ 40.078 mass = 40.078 x 1.3 = 52.1grams


Which statement shows how to correctly convert from the mass of a compound in grams to the amount of that compound in moles?

Moles = Mass (g) x Molar mass (g)


How is the number of moles of an element determined froma known mass?

the molar mass is used as a conversion factor to convert grams to moles


How many moles of atoms are in 50.15g of mercury atomic mass 200.59 amu?

To convert grams to moles you need mercury's atomic mass: 200.59 grams/mole. You can then take your measurement and divide it by the atomic mass to get moles.Grams ÷ Atomic mass = Moles50.15 grams ÷ 200.59 grams = 0.2500 moles Hg


How is the number of moles of an element determine from a known mass?

The mass of 1 mole of the element is used as a conversion factor to convert grams to moles


Could you convert .10 mol of NaNO3 to grams?

#moles = mass/molar mass mass = #moles*molar mass mass = .10 moles*(atomic weight of na+atomic weight of N+3(atomic weight of oxygen)


Convert grams to moles?

Conversion of a certain mass of a substance to moles requires knowing the molar mass. Molar mass is given in grams per mole. Dividing the known mass by the molar mass gives the number of moles.


What do you do to convert grams to moles?

The molar mass of a compound is expressed in grams.