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X and Y are two elements which form X_(2)Y_(3 and X_(3)Y_(4). If 0.20 mol of X_(2)Y_(3) weighs 32.0g and 0.4mol of X_(3)Y_(4) weighs 92.8g, the atojic weights of X and are respectively: |
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Answer» 16.0 and 56.0 |
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