If you have 3.23 x 1023 particles of NaOH, how many grams of NaOH are present?
The number of grams contained in 3.23 x 10²³ particles of NaOH is 21.6g.
How to calculate mass?
The mass of a substance can be calculated by multiplying the number of moles in that substance by its molar mass as follows:
Mass = no of moles × molar mass
However, the number of moles in 3.23 x 10²³ particles of NaOH compound must first be calculated as follows:
no of moles = 3.23 x 10²³ particles ÷ 6.02 × 10²³
no of moles = 0.54 moles
The mass of NaOH can be calculated as follows:
Molar mass of NaOH = 23 + 16 + 1 = 40g/mol
mass = 0.54 moles × 40g/mol
mass = 21.6g
Therefore, the number of grams contained in 3.23 x 10²³ particles of NaOH is 21.6g.
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Chemistry, published 24.05.2023
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