The density of ethanol is 0.79 g/mL. The density of acetic acid is 1.05 g/mL. Assuming that each
1 answer:
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Answer:
1.02 grams
Explanation:
The reaction between Na₃PO₄ and BaCl₂ is:
2Na₃PO₄(aq) + 3BaCl₂(aq) → Ba₃(PO₄)₂(s) + 6NaCl(aq)
We need to find the number of moles of Na₃PO₄ and BaCl₂:
Now, we need to find the limiting reactant:
We have that it is needed 0.0033 moles of Na₃PO₄ to react with BaCl₂ and we have 0.01 moles of Na₃PO₄, so the limiting reactant is BaCl₂.
The number of moles of Ba₃(PO₄)₂ is:
Finally, the mass of Ba₃(PO₄)₂ is:
Therefore, should be obtained 1.02 grams of the precipitate.
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Answer:
CaCO → CO
+ CaO
Explanation:
Given reactants:
Omar heated small piece of calcium carbonate
Product;
it gave off carbon dioxide gas and solid calcium oxide;
Problem,
Equation of the reaction;
Solution:
Calcium carbonate → Carbon dioxide + Calcium oxide
CaCO → CO
+ CaO