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Excess Fe reacted with 650mL of 0.75M H3PO4. What mass of hydrogen gas was produced? g H2 Fe + H3PO4 à Fe3(PO4)2 + H2
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Excess Fe reacted with 650mL of 0.75M H3PO4. What mass of hydrogen gas was produced? g H2

Fe + H3PO4 à Fe3(PO4)2 + H2

User Songz
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30 votes

Answer: see pics. Hope it makes sense.

Step-by-step explanation:

Excess Fe reacted with 650mL of 0.75M H3PO4. What mass of hydrogen gas was produced-example-1
User STenyaK
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18 votes
18 votes

This is an oxidation-reduction (redox) reaction:

6 HI + 6 e- → 6 H0

(reduction)

3 Fe0 - 6 e- → 3 FeII

(oxidation)

H3PO4 is an oxidizing agent, Fe is a reducing agent

User JeremyS
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