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gabrielolivas59
19.02.2021 •
Chemistry
Which type of cell has nucleus, explain its function? Worth 30 points I need in less then 30 minutes plz help me. Subject is science
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Ответ:
28.4 g of aluminum oxide is produced by the reaction of 15.0 g of aluminum metal
Explanation:
To calculate the moles :
The balanced chemical equuation is:
According to stoichiometry :
4 moles of
produce == 2 moles of ![Al_2O_3](/tpl/images/0994/6683/83659.png)
Thus 0.556 moles of
will produce=
of ![Al_2O_3](/tpl/images/0994/6683/83659.png)
Mass of![Al_2O_3=moles\times {\text {Molar mass}}=0.278moles\times 102g/mol=28.4g](/tpl/images/0994/6683/f726e.png)
Thus 28.4 g of aluminum oxide is produced by the reaction of 15.0 g of aluminum metal.