Răspuns :

Pokju8888id

Răspuns:

Explicație:

120g NaOH

react. cu HNO3

masa de sare form.

120g                       xg

NaOH  + HNO3= NaNO3 + H2O

40g                         85g

x= 120. 85 : 40=255g NaNO3

n= 255g : 85g/moli= 3 moli NaNO3

MNaOH=23 + 16 +1=40------> 40g/moli

MNaNO3=23 + 14 + 3.16=85------> 85g/moli

Bibisor0id

Răspuns:

120g NaOH react. cu HNO3 masa de sare form.

120g xg

NaOH + HNO3= NaNO3 + H2O

40g 85g

x= 120. 85 : 40=255g NaNO3

n= 255g : 85g/moli= 3 moli NaNO3

MNaOH=23 + 16 +1=40------> 40g/moli

MNaNO3=23 + 14 + 3.16=85------> 85g/moli

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