The mass of 0,819 mole of helium is 3,278 131 g.
7 X 102 g Al this is the awnser using significant figures
The molar mass of an element is used in a conversion factor to convert moles to grams. By multiplying the number of moles by the molar mass, you can calculate the mass of the element in grams. This conversion is important for determining the amount of substance present in a given sample.
The molar mass of fructose is approximately 180.16 g/mol. To find the mass in grams, you would multiply the number of moles (1.20 mol) by the molar mass (180.16 g/mol). Therefore, 1.20 moles of fructose would be 216.19 grams.
To determine the mass of a substance required in grams, you need to know the substance's molar mass (in g/mol) and the amount needed in moles. You can then use the formula: mass (g) = number of moles × molar mass (g/mol) to calculate the required mass in grams.
To find the grams of CCl4 needed, multiply the number of moles (5.000 mol) by the molar mass of CCl4 (153.82 g/mol). (5.000 , \text{mol} \times 153.82 , \text{g/mol} = 769.1 , \text{g}) Therefore, 769.1 grams of CCl4 are needed.
The atomic mass of an element is the average mass of one atom of that element, measured in atomic mass units (amu). This value is also equivalent to the mass of one mole of atoms of that element, expressed in grams per mole (g/mol).
1 mol of any element is the atomic weight expressed in grams.
The atomic mass of an element is equal to its molar mass in grams/mol.
To find the mass of 1.6 moles of an element, you need to know the molar mass of that element (found on the periodic table). Multiply the molar mass by the number of moles (1.6) to get the mass in grams. Thus, by multiplying the molar mass by 1.6 mol, you can find the mass of 1.6 moles of the element.
The molar mass of an element is the atomic mass of that element expressed in grams/mol. The molar mass of each element varies depending on its atomic number and isotopic composition. Common elements like hydrogen, carbon, oxygen, and nitrogen have molar masses of approximately 1 g/mol, 12 g/mol, 16 g/mol, and 14 g/mol, respectively.
To find the mass of 6.02 x 10^23 atoms of an element, you would multiply the atomic mass of the element (x) by Avogadro's number (6.02 x 10^23 molecules/mol) to get the mass in grams. The result would be x grams.
The answer is 125,65 g.
The molar mass of potassium (K) is approximately 39.10 g/mol. To find the mass of 0.41 mol of potassium, you would multiply the molar mass by the number of moles: 39.10 g/mol * 0.41 mol = 16.049 g. So, the mass of 0.41 mol of potassium is approximately 16.049 grams.
molar mass Na = 22.99g/mol (atomic weight in grams) 0.0135mol Na x (22.99g/mol) = 0.310g Na
The mass in grams of 5,01 mol of xenon is 657,778 g.
To find the mass in grams of 0.330 mol of calcium, you need to multiply the number of moles by the molar mass of calcium. The molar mass of calcium is approximately 40.08 grams/mol. So, 0.330 mol * 40.08 g/mol = 13.23 grams of calcium.
The molar mass of carbon is approximately 12 grams/mol. Therefore, the mass of 2 moles of 12C is 24 grams (12 g/mol x 2 mol).