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प्रश्न
Fill in the following blanks :
60 g of carbon element are .............. moles of carbon atoms.
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उत्तर
60g of carbon element are 5 moles of carbon atoms.
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संबंधित प्रश्न
What is the mass of 4 moles of aluminium atoms (Atomic mass of aluminium = 27)?
If the aluminium salt of an anion X is Al2X3, what is the valency of X ? What will be the formula of the magnesium salt of X ?
What is a group of 6.022 × 1023 particles known as ?
What is the mass of 0.2 mole of oxygen atoms ?
Fill in the following blanks :
A mole represents an .............. number of particles of a substance.
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Avogadro's number is equal to ______
Calculate the number of moles of methane in 0.80 g of methane.
If phosphorus is considered to contain P4 molecules, then calculate the number of moles in 100g of phosphorus?
Calcium chloride when dissolved in water dissociates into its ions according to the following equation.
\[\ce{CaCl2} (aq) → {Ca^{2+} (aq) + 2{Cl}- (aq)}\]
Calculate the number of ions obtained from CaCl2 when 222 g of it is dissolved in water.
Compute the difference in masses of 103 moles each of magnesium atoms and magnesium ions.
(Mass of an electron = 9.1×10–31 kg)
