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Answer to Question #29120 in Inorganic Chemistry for Tarcio
Question #29120
A 3.592 (g) sample of hydrated magnesium bromide, MgBr2 {xH2O}, is dried in an oven. when the anhydrous salt is removed from the oven, its mass is 2.263 g. What is the value of x
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Comments
Dear Nicola Stone, n(number of moles) = m (mass)/ M(molecular weight). Molecular weight (the sum of the atomic weights) for H[sub]2[/sub]O equals 18 (1+1+16).
in finding the number of moes of H2O where did ye get the 18??
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