Discuss the empirical formula for this compound
A sample of a compound contains 0.90 g of element A and 0.60 g ofelement B. If the atomic weight of A is 60 g/mole and that of B is40 g/mole, then what is the empirical formula for this compound?
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Suppose X1 and X2 are independent random variables, each uniformly distributed over the set {±1}; that is, each Xi takes the value -1 with probability 1/2 and the value 1 with probability 1/2. (a) Compute E[X1 + X2]. (b) Compute E[(X1 + X2)
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