an amount of 0.15 moles of K2Cr2O7 is required to oxidize a mixture of XO and X2O3 (total mass =2.18 g) to form XO and Cr+3. If 0.0187 moles of XO is formed , what is the atomic mass of X?
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an amount of 0.15 moles of K2Cr2O7 is required to oxidize a mixture of XO and X2O3 (total mass =2.18 g) to form XO and Cr+3. If 0.0187 moles of XO is formed , what is the atomic mass of X?
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