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How many moles of hydrogen gas are produced when 0.066 moles of sodium is completely reacted? (balance the equation first)

___Na + ___H2O ---> ___NaOH + ___H2
A. 0.066 moles

B. 0.099 moles

C. 0.033 moles

D. 0.022 moles

Respuesta :

tabetakhuele

Answer:

C

Explanation:

when the equation is balanced, 2 moles of sodium is to 1 mole of hydrogen in the mole ratio so we need to find how many moles of sodium will produce hydrogen then we cross multiply

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