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masa molara pt so2, so3, CAo, , na cl, FeS, vaaaaa rogggg dauuu inimaaa ​

Răspuns :

So2=32+16•2

=32+32

=64

So3=32+16•3

=32+48

=80

CaO=40+16

=56

NaCl=23+35,5

=58,5

FeS=56+32

=88