4 g of He = 1 mole.
So, 30.8 g = 7.7 moles
The answer is 2,7 moles.
How many moles are there in 9.0333x1024 atoms of helium
To convert grams to moles, divide the given mass by the molar mass of helium. The molar mass of helium is approximately 4g/mol. Therefore, 26.7kg of helium is equal to 26,700g, which would be 6,675 moles of helium.
use this formula, n(He)=m(He)/M(molar mass of He) =0.255G/4.OO =0.06375 moles per gram.
To calculate the number of moles, you need to divide the given mass by the molar mass of helium. The molar mass of helium is approximately 4 g/mol. Therefore, the number of moles in 205g of helium would be 205g / 4g/mol = 51.25 mol.
The number of moles of helium is 0,32.
H2O or water doesn't have any helium in it.
The mass of helium equivalent to 0,775 moles is 3,102 g.
The answer is 2,7 moles.
Helium is 4g/mol, so 6.46g of helium is 6.46/4=1.62 moles He.
How many moles are there in 9.0333x1024 atoms of helium
To calculate the number of moles in 0.12g of helium, you need to use the molar mass of helium. The molar mass of helium is approximately 4g/mol. Therefore, 0.12g of helium is equivalent to 0.12g / 4g/mol = 0.03 moles of helium.
There are 23.28 grams in 5.82 moles of helium, because 5.82 mol times 4g =23.28 grams
There are approximately 4.0 moles of Helium in 16 grams of the element.
To convert grams to moles, divide the given mass by the molar mass of helium. The molar mass of helium is approximately 4g/mol. Therefore, 26.7kg of helium is equal to 26,700g, which would be 6,675 moles of helium.
use this formula, n(He)=m(He)/M(molar mass of He) =0.255G/4.OO =0.06375 moles per gram.
To calculate the number of moles, you need to divide the given mass by the molar mass of helium. The molar mass of helium is approximately 4 g/mol. Therefore, the number of moles in 205g of helium would be 205g / 4g/mol = 51.25 mol.