Răspuns:
Explicație:
MHCl=1+35,5=36,5------> 36,5g/moli
36,5gHCl-----------35,5gclor
14,6g HCl-------------xg
x=14,6. 35,5 : 36,5=14,2 g clor
MNaCl=23 +35,5=58,5-----> 58,5g/moli
58,5g NaCl ---------35,5g clor
yg NaCl----------------14,2g clor
y=58,5. 14,2 : 35,5=23,4 g NaCl