A(n) ____________________ is a positively charged subatomic particle found in the nucleus of the atom.
2 answers:
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5.4 x 10²³ molecules
Explanation:
Given parameter
Volume of gas = 20L
Condition of reaction = STP
Unknown:
number of molecules
Solution:
The number of molecules of a substance is given by;
Number of molecules = Number of moles x avogadro's constant
Number of moles at stp =
Number of moles of SO₂ = = 0.893mole
Number of molecules = 0.893 x 6.02 x 10²³ = 5.4 x 10²³ molecules
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Number of molecules brainly.com/question/10818009
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