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Cu cat este egala masa in g a unei molecule de acid clorhidric.

Răspuns :

1 mol de substanta contine 6.022 * 10^23 molecule
n = m/μ => m = n*μ = 1*36.5 = 36.5 g HCl
36,5 g HCl.................6.022*10^23 molecule
x g HCl......................1 molecula
x = 6.061 * 10^(-23) g