a. \(M_{Cl} = 35,5 (g)\) ; \(M_{Cl_2}\) = 71 (g)
b. \(M_{Cu}\) = 64 (g) ; \(M_{CuO}\) = 64 + 16 = 80 (g)
c. \(M_{C}\) = 12 (g) ; \(M_{CO}\) = 12 + 16 = 28 (g) ; \(M_{CO_2}\) = 12 + 16.2 = 44 (g)
d. \(M_{NaCl}\) = 23 + 35,5 = 58,5 (g) ; \(M_{C_{12}H_{22}O_{11}}\) = 12 . 12 + 1 . 22 + 11 . 16 = 342 (g)
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