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cate grame de carbon vor cuprinde acelasi nr de atomi cu 62 grame fosfor ?


va rog ajutatima


Răspuns :

MC=12g/mol
MP=31g/mol

1 mol P............................31g P
2 moli P...........................62g P

1 mol C....................................12gC
x=5,1(6) moli C.......................62g C

n=m/M=>m=n*M=5,1(6)*12=62g C