haileysolis5
03.08.2019 •
Chemistry
What is the mass of 5.00 x 10 21 formula units of aluminum hydroxide?
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Ответ:
Al=27 g/mol
O=16 g/mol
H=1g/mol
Al(OH)3= 27 g/mol +16(3) g/mol +1(3) g/mol= 78 g/mol
Not that 1 mol=6.022x10^{23} formula units, hence,
5.00 formula units x x
=0.648 g of Al(OH)3
Therefore, the mass of Aluminum Hydroxide is 0.648 g
Ответ:
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Explanation: