monilchikani2022 monilchikani2022
  • 01-03-2021
  • Chemistry
contestada

How many moles of potassium are needed to react completely with 7.50 mol of chromium (III) oxide? Show work.

Respuesta :

achirita777 achirita777
  • 01-03-2021

Answer:

45 mol

Explanation:

First you need to balance the equation:

6K + Cr2O3 = 3K2O + 2Cr

the proportion of the coeficients of potassium and chromium oxide is 6 to 1 so we need to multiply 7.5 by 6 to get 45.

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