The mass of 1 mole of a substance is equal to its molar mass. The molar mass of a substance is equal to the sum of the atomic masses of all the atoms in one mole of the substance.
Therefore, to find the number of grams in one mole of a substance, we just need to determine its molar mass.
For example, the molar mass of carbon (C) is 12.01 g/mol, the molar mass of water (H2O) is 18.02 g/mol, and the molar mass of glucose (C6H12O6) is 180.18 g/mol.
So, in general, 1 mole of any substance is equal to its molar mass in grams.
1mol is how many gram
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