A consider the balanced chemical equation 4Cr(6) + 30(9) 2Cr, Os(8)
What mole ratio would you use to calculate how many moles of oxygen gas would be needed to react completely with a given number of moles of chromium
metal?
O 2 mol O,
3 mol Cr
O 3 mol O2
2 mol Cr
04 mol O
3 mol C
O 3 mol O2
4 mol Cr
6 Consider the balanced chemical equation
4Cr(6) +302 (9) ► 2Cr, Os()
What mole ratio would you use to calculate the number of moles of product that would be expected if a given number of moles of chromium metal reacts
completely?
O 3 mol Cr2O3
2 mol C
O 2 mol CrgO;
4 mol Cr
O 4 mol Cr2O3
2 mol Cr
O 2 mol Cryo,
3 mol Cr