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The compound (AH 3 ) 4 XO 3 , where A and X are hypothetical elements, has a molar mass of 137.8 g/mol. How many

The compound (AH₃)₄XO₃, where A and X are hypothetical elements, has a molar mass of 137.8 g/mol. How many moles of hydrogen atoms are present in 156.7 g of (AH₃)₄XO₃? Report your answer to two decimal places.

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