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01-04-2024
Chemistry

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2. How many moles of Cu₂S could be produced from 9.90g of
points)
Balanced equation: 2CuCl + H2S-> Cu₂S+ 2HCI
3. How many moles of hydrogen gas are formed when 0.85g of lithium reacts with water? (2 points)
Balanced equation: 2Li + 2H2O -> 2LIOH
+ H₂
4. How many grams of NaAlO2 can be obtained from 4.46g of AICI, according to the following equation?
(4 points)
Balanced equation: AlCl3 + 4NaOH -> NaAlO2 + 3NaCl + 2H2O

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