Avogadro's number (Nₐ) is used to relate the number of particles like atoms in a sample. The mass of 1.83 × 10²⁴ molecules of dichlorine heptoxide is 1006 grams.
<h3>What is Avogadro's number?</h3>
Avogadro's number is used to define the units of the particles like that of moles present in a molecule or compound. Here, (Nₐ) = 6.02 x 10²³.
It is known that 1 mole = 6.02 x 10²³ molecules
So, X mole = 1.83 x 10²⁴ molecules of dichlorine heptoxide
X = 1.83 x 10²⁴ ÷ 6.02 x 10²³
= 5.5 moles
Given,
Moles calculated from above = 5.5 mol
Molar mass of dichlorine heptoxide = 182.901 g/mol
Mass is calculated as:
Mass = Moles × molar mass
= 5.5 mol × 182.901 g/mol
= 1,005.95 grams
Therefore, 1.83 × 10²⁴ molecules of dichlorine heptoxide contain 1006 grams.
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