A mole is a word representing a number, like dozen means 12. A mole of anything is 6.022
Carbon is equal to 12.01 grams. 1.) determine how many moles of carbon are there in the mass given. Just use the conversion method. In this case, 12.011 g C x ( mol C / 12.01 g C) = 1 mole of C 2.)Acc to Avogadro's number, one mole of any element is equal to 6.02 x 10^23 atoms. there is one mole of Carbon is 12.01 grams, therefore, it takes 6.01x10^23 atoms.
One tablespoon is equal to approximately 15mL. Table salt, also known as Sodium Chloride, has a combined molecular mass of (22.99 amu + 35.45 amu) = 58.44 amu. Therefore there are 58.44 grams per mole of Sodium Chloride. Now we know that with 58.44 grams we have one mole of Sodium Chloride. Taking into account that NaCl has a density of 1.2 g/cm3, We have 3.246 tablespoons per mole of NaCl. Let's take this and divide it by the grams per mole which is 58.44 and it will equal approximately 18 grams of salt per tablespoon.
mg is milligram, a unit of mass. mmol is millimole - a unit of amount of a substance. 1 mole is equal to 6.023 x 10Â²Â³ atoms (or molecules, depending on the substance). For any particular substance, a mole of the substance will have a certain mass. Take hydrogen, for example. Hydrogen exists in nature as a diatomic molecule H2. A hydrogen atom by itself has a mass of 1 gram/mole, so the molecules of hydrogen are 2 grams/mole. So if you had 1 mmol of hydrogen gas, it would be equal to 2 mg. So to answer the question, the particular substance needs to be known.
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