Define how many moles of chromium metal

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Given the equation: 2Cr(s) + 3H2O(g) = Cr2O3(s) + 3H2(g) How many moles of chromium metal are required to react with 3.17 moles of water?
options:

2.11 moles Cr
3.17 moles Cr
4.76 moles Cr
9.51 moles Cr
6.34 moles Cr

Reference no: EM13514778

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