write a note on mole particles calculation
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☑If you want to know how many moles of a material you have, divide the mass of the material by its molar mass.
☑Avogadro's number is the number of units in one mole of a substance, or 6.02214076 × 1023.
☑The molar mass of some substance is the mass in grams of one mole of that substance.
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