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प्रश्न
Fill in the following blanks :
1 mole contains .............. atoms, molecules or ions of a substance.
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उत्तर
1 mole contains 6.022 × 1023 atoms, molecules or ions of a substance.
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संबंधित प्रश्न
Write the molecular formulae of Magenesium oxide :
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Name the following:
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A group of atoms carrying a fixed charge on them is called ————.
