-calcule la masa molar de cada una de las siguientes sustancias. a)perclorato de bario b)sulfato de magnesio c)cloruro de plomo(II) d)nitrato de cobre(II) e)cloruro de estaño(IV) f)fenol,C6H6O g)sulfuro de amonio((NH4)2S h)diclorofenol,C6HOCI2 i)hidruro de bario,BaH2 j)fosfato diacido de potasio,KH2PO4 k)fosfato acido de potasio,K2HPO4 l)fosfato de potasio,K3PO4
snoryea)perclorato de bario = Ba(ClO4)2 Ba: 1 x 137 = 137 g/mol Cl= 2 x 35.5 = 71 g/mol O: 8 x 16 = 128 g/mol ```````````````````````````````` Mm = 336 g/mol
b) MgSO4 Mg: 1 x 24 = 24 g/mol S: 1 x 32 = 32 g/mol O: 4 x 16 = 64 g/mol ```````````````````````````` Mm = 120 g/mol
c) PbCl2 Pb: 1 x 207 = 207 g/mol Cl: 2 x 35.5 = 71 g/mol ```````````````````````````````` Mm = 278 g/mol
d) Cu(NO3)2 Cu: 1 x 63.5 = 63.5 g/mol N: 2 x 14 = 28 g/mol O: 6 x 16 = 96 g/mol ```````````````````````````````` Mm = 187.5 g/mol
e) SnCl4 Sn: 1 x 118.7 = 118.7 g/mol Cl: 4 x 35.5 = 142 g/mol ```````````````````````````````````` Mm = 260.7 g/mol
f) C6H6O C: 6 x 12 = 72 g/mo H: 6 x 1 = 6 g/mol O; 1 x 16 = 16 g/mol ```````````````````````````` Mm = 94 g/mol
g) (NH4)2S
N: 2 x 14 = 28 g/mol H: 8 x 1 = 8 g/mol S: 1 X 32 = 32 g/mol `````````````````````````````` Mm = 68 g/mol
h) C6HOCI2 C: 6 x 12 = 72 g/mol H: 1 x 1 = 1 g/mol O: 1 x 16 = 16 g/mol Cl: 2 x 35.5 = 71 g/mol `````````````````````````````````` Mm = 160 g/mol
i) BaH2 Ba: 1 x 137 = 137 g/mol H: 2 x 1 = 2 g/mol ```````````````````````````````` Mm = 139 g/mol
j) KH2PO4 K: 1 x 39 = 39 g/mol H: 2 x 1 = 2 g/mol P: 1 x 31 = 31 g/mol O: 4 x 16 = 64 g/mol ```````````````````````````````````` Mm = 136 g/mol
k) K2HPO4 K: 2 x 39 = 78 g/mol H: 2 x 1 = 2 g/mol P: 1 x 31 = 31 g/mol O: 4 x 16 = 64 g/mol ```````````````````````````````````` Mm = 175 g/mol
l) K3PO4 K: 3 x 39 = 117 g/mol P: 1 x 31 = 31 g/mol O: 4 x 16 = 64 g/mol ```````````````````````````````````` Mm = 212 g/mol
Ba: 1 x 137 = 137 g/mol
Cl= 2 x 35.5 = 71 g/mol
O: 8 x 16 = 128 g/mol
````````````````````````````````
Mm = 336 g/mol
b) MgSO4
Mg: 1 x 24 = 24 g/mol
S: 1 x 32 = 32 g/mol
O: 4 x 16 = 64 g/mol
````````````````````````````
Mm = 120 g/mol
c) PbCl2
Pb: 1 x 207 = 207 g/mol
Cl: 2 x 35.5 = 71 g/mol
````````````````````````````````
Mm = 278 g/mol
d) Cu(NO3)2
Cu: 1 x 63.5 = 63.5 g/mol
N: 2 x 14 = 28 g/mol
O: 6 x 16 = 96 g/mol
````````````````````````````````
Mm = 187.5 g/mol
e) SnCl4
Sn: 1 x 118.7 = 118.7 g/mol
Cl: 4 x 35.5 = 142 g/mol
````````````````````````````````````
Mm = 260.7 g/mol
f) C6H6O
C: 6 x 12 = 72 g/mo
H: 6 x 1 = 6 g/mol
O; 1 x 16 = 16 g/mol
````````````````````````````
Mm = 94 g/mol
g) (NH4)2S
N: 2 x 14 = 28 g/mol
H: 8 x 1 = 8 g/mol
S: 1 X 32 = 32 g/mol
``````````````````````````````
Mm = 68 g/mol
h) C6HOCI2
C: 6 x 12 = 72 g/mol
H: 1 x 1 = 1 g/mol
O: 1 x 16 = 16 g/mol
Cl: 2 x 35.5 = 71 g/mol
``````````````````````````````````
Mm = 160 g/mol
i) BaH2
Ba: 1 x 137 = 137 g/mol
H: 2 x 1 = 2 g/mol
````````````````````````````````
Mm = 139 g/mol
j) KH2PO4
K: 1 x 39 = 39 g/mol
H: 2 x 1 = 2 g/mol
P: 1 x 31 = 31 g/mol
O: 4 x 16 = 64 g/mol
````````````````````````````````````
Mm = 136 g/mol
k) K2HPO4
K: 2 x 39 = 78 g/mol
H: 2 x 1 = 2 g/mol
P: 1 x 31 = 31 g/mol
O: 4 x 16 = 64 g/mol
````````````````````````````````````
Mm = 175 g/mol
l) K3PO4
K: 3 x 39 = 117 g/mol
P: 1 x 31 = 31 g/mol
O: 4 x 16 = 64 g/mol
````````````````````````````````````
Mm = 212 g/mol