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प्रश्न
Calculate the relative molecular mass of:
(NH4)2 Cr2O7
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उत्तर
(2N)28 + (8H)8 + (2Cr)2 x 51.9+ (7O)7 x 16 = 252
संबंधित प्रश्न
Give balanced chemical equations for the following conversions A, B, and C:
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