Encyclopaedia Britannica states that there are 602,000,000,000,000,000,000,000, or 602 followed by 21 zeroes, atoms in a mole. This number is read aloud as "602 sextillion" and is a reference to Avogadro's number, which ... More »

Multiplying the total number of moles by 6.02x10^23 will give you total number of atoms present. 6.02x10^23 is known as Avogadro's Number and is the approximate number of atoms in a mole. More »

To calculate moles, begin by identifying the number of grams of the substance, and calculate its molar mass. Divide the number of grams by the molar mass of the compound to make the conversion to moles. More »

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By definition, one mole is equal to the number of atoms in 12 grams of carbon-12. This is known as Avogadro's number, sometimes expressed as 6.022 x 10^23. To determine the moles in a sample of any element, you need to r... More »

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The molar mass of KOH is about 56 grams per mole. The molar mass is determined from the sum of the atomic mass of each atom in the compound. KOH is the chemical formula of potassium hydroxide. More »

Barium hydroxide has a molar mass of 171.34 grams per mole. The molar mass of a chemical compound is determined by adding together the molar masses of all of the atoms present in that compound. The molar mass of each ato... More »

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Beryllium nitride, also called triberyllium nitride, is the chemical compound with the molecular formula Be3N2 and a molar mass is 55.06 grams per mole. It is a yellow-white powder at standard temperature and pressure, a... More »

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