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Trava [24]
3 years ago
11

How many oxygen (O) atoms are involved in this chemical reaction? 2Fe(OH)3 — Fe2O3 + 3H20

Chemistry
1 answer:
kenny6666 [7]3 years ago
7 0

Answer:

6 oxygen atoms

Explanation:

From the equation,

2Fe(OH)₃ → Fe₂O₃ + 3H₂O

From the reactant (left hand side) we have 2 moles of Fe(OH)₃ having (2 * 3 = 6) atoms of oxygen and decomposed to give Fe₂O₃ which contains 3 atoms of oxygen and 3 moles of water that also contains 3 atoms of oxygen.

Since the number of oxygen participating in the reaction is independent on the product (not a reversible reaction) then the total number of oxygen atoms participating in the reaction is 6

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If a sample of 0.362 m lithium phosphate contains 0.284 g of lithium, what is the volume of the sample?
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From the periodic table:
mass of lithium = 6.941 grams
number of moles = mass / molar mass
number of moles of Li = 0.284 / 6.941 = 0.0409 moles

Molarity can be calculated using the following rule:
molarity = number of moles of solute / liters of solution
volume (in liters) = number of moles of solute / molarity
volume = 0.0409 / 0.362 = 0.1129 liters
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Romashka-Z-Leto [24]

Answer:

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Explanation:

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