7:22A ← Title 23 October 7:22 195 characters ✓ 4G 36 A 7.8 g sample of MgCO3 x H2O is heated in order to remove all of the water of hydration, after which 3.79 g of the anhydrous sample remains. determine the value of x, the number of waters of hydration in each molecule of the hydrated salt. 00 00 1 2 A+ A- BI ! X 3 allı GIF 自 5 8 0 Q' W² E R T YU I O' P° ASDFGHJKL ZXCVBNM

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