The molar mass of hydrogen is 2 g.
Since molar mass of hydrogen is 1g , the no. of moles = mass of hydrogen given. or No. of moles= Given mass of substance/Molar mass of substance
Grams/Molar mass = moles
divide the mass of the hydrogen by the molar mass.
The molar mass of hydrogen peroxide is about 34; therefore, 1.5 moles has a mass of about 51 grams.
mass in grams divided by atomic weight = moles
ans is 4.032 by using formulas plz of mole , NA , nd mass of atoms plz solve nd submit
Mass (g) = Mr * Moles If you rearrange it, you get Moles = Mass/Mr Working with a 2dp periodic table you get: Moles = 2/1.01 =1.98 There are 1.98 moles of hydrogen in 2g of H2 gas.
As the relative molecular mass of hydrogen is approximately 2.0, there are 4.04 moles present in 8.08 grams.
If you think to propane (C3H8): carbon - 81,7 % and hydrogen - 17,3 %.
number of moles=(mass of the substance)/(the gram formula mass(add up the masses from a periodic table))
1,26 moles hydrogen chloride (not hydrochloric acid) is 45,94 g.
The mass of hydrogen that is converted into helium by fusion reactions during a one second interval is one cubic millimeter. This occurs during the elemental change and actually shrinks the mass of the hydrogen.
Hydrogen nitrate has a mass of 63.01 g/mol. In order to find the number of moles you divide the grams by the molar mass. 250/63.01 = 3.96 mol.
The number 2.20 moles of Sn equals 261.14 grams. This is a taught in biology.
There are two moles of hydrogen molecules and 4 moles of hydrogen atoms.
Depends on what the substance is. 3 moles of hydrogen has less mass than 3 moles of calcium or 3 moles of water but they all have the same number of particles called Avogadro's number.
The molar mass of hydrogen is 2.
atomic waight of hydrogen = 1.0079 weight of one mole of hydrogen = its atomic mass in grams(just like all elements). therefore 454g/1.0079g = 450.4 moles of hydrogen.
Technically, the energy is not produced - it is changed from one form to another. Hydrogen-1 has a molar mass of 1.00795; thus, 1 kg of hydrogen has 1 / 1.007825 = 0.99224 moles. Every 4 atoms of hydrogen will combine into one helium; thus, in the end result there will be 0.99224 / 4 = 0.24806 moles. Helium has a molar mass of 4.0026. Thus, the 0.24806 moles will have a mass of 0.99288 kg. The difference in mass is 1 kg minus 0.99288 kg = 0.00712 kg. Multiplying this by c2, you get an equivalent mass of 0.00712 x (3 x 108)2 = about 6.4 x 1014 joules.
Molar mass of ammonia = (14.01 + 3.03) (Molar mass of nitrogen + 3 times molar mass of hydrogen, as chemical formula of ammonia is NH3). Molar mass= 17.04 Molar mass x moles = mass 17.04 x 3 = 51.12 Mass of 3 moles of ammonia is 51.12g.
Formula of water = H2O Relative atomic mass of hydrogen = 1 Relative atomic mass of oxygen = 16 Relative molecular mass of H2O = 1 + 1 + 16 = 18 Moles = mass of substance/relative molecular mass Moles = 100/18 Moles of water in 100g = 5 and 4/9 moles or approximately 5.56 moles
This mass is 101,6505 g.The atomic masses of hydrogen and boron are 11 and 1 respectively. The relative molecular mass of the compound is 14. Therefore the mass of 7.35 moles is approximately 102.9 grams.
17,3 moles hydrogen