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yuvraj2298
15.01.2021 •
Chemistry
How many grams are in 2x10^24 formula Units of CaCO3
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Ответ:
332g
Explanation:
Given parameters:
Formula units = 2 x 10²⁴
Unknown:
Mass of the compound = ?
Solution:
The formula of the compound is:
CaCO₃
6.02 x 10²³ atoms are contained in 1 mole of a compound
2 x 10²⁴ atoms will be made up of
= 3.32mole of CaCO₃
Mass of CaCO₃ = number of moles x molar mass
Molar mass of CaCO₃ = 40 + 12 + 3(16) = 100g/mol
Mass of CaCO₃ = 3.32 x 100 = 332g
Ответ: