Question

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Answer 1

Răspuns:

Na=34,4/23=1,49

C=17,9/12=1,49

O=47,7/16=2,98

împărțim la 1,49

Na=1,4/1,49=1

C=1,49/1,49=1

O=2,98/1,49=2

NaCO2

(NaCO2) n=134

n=2

Na2C2O4.