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A and B are two elements which form compounds AB2 and A2B3. If 55 gm of AB2 and 90 gm of A2B3 have equal number of moles, then the ratio of atomic mass of A to that of B is
A तथा B दो तत्व हैं जो यौगिक AB2 तथा A2B3 बनाते हैं। यदि 55 gm AB2 तथा 90 gm A2B3 के मोलों की संख्या समान है, तो A तथा B के परमाणु द्रव्यमान का अनुपात है
A and B are two elements which form compounds AB2 and A2B3. If 55 gm of AB2 and 90 gm of A2B3 have equal number of moles, then the ratio of atomic mass of A to that of B is
A तथा B दो तत्व हैं जो यौगिक AB2 तथा A2B3 बनाते हैं। यदि 55 gm AB2 तथा 90 gm A2B3 के मोलों की संख्या समान है, तो A तथा B के परमाणु द्रव्यमान का अनुपात है
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The correct option is C 0.75
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