Question

calcula la masa molecular de estos compuestos:
A.Cloruro de magnecio
B.C2H6O
C.C3H6 
D.Trióxido de dihierro 
E.Nitrato de potasio 
Es urgente...por favor me ayudan...

Answer 1

a. Mg = 1 x 24 =    24 g/mol
     Cl = 2 x 35,4 = 70.8 g/mol
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Mm MgCl2 =  94.8 g /mol

b. C = 2 x 12 = 24 g/mol
    H = 6 x 1  = 6 g/mol
    O = 1 x 16 = 16 g/mol
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Mm C2H6O =  46 g/mol

c. C = 3 x 12 = 36 g/mol
    H = 6 x 1 =    6 g/mol
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.  Mm C3H6 = 42 g/mol

d. Fe = 2 x 56 = 112 g/mol
      O =3 x 16 = 48 g/mol
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  Mm Fe2O3=  16o g/mol

e. K = 1 x 39 = 39 g/mol
    N = 1 x 14 = 14 g/mol
     O = 3 x 16 = 48 g/mol
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 Mm KNO3 = 101 g/mol