Chemists employ the mole, a very significant unit of measurement. The initial SO3 concentration is 0.28 M.
A mole is defined as 6.02214076 1023 of a particular chemical unit, such as atoms, molecules, ions, or others. Because there are so many atoms, molecules, or other components in any compound, the mole is a useful quantity to utilize.
When an element's standard relative atomic mass is multiplied by the molar mass constant, 1 103 kg/mol = 1 g/mol, the result is the molar mass of its atoms.
An object's mass that comprises 6.023 x 1023 of that object's particles is referred to as a mole. The SI unit used to measure substance amounts is the mole. Molecule is its symbol. According to the definition, 1 mole of carbon-12 weighs 12 grams and has a carbon atom count of 6.022140857 x 1023.
2.50 L is the container's volume.
Initially, there were 0.700 moles.
first concentration of SO3 =0.700 moles /2.50 L
SO3 = 0.28 M
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