In cate grame FeO se afla 6,023 x 10 la puterea 22 atomi de Fe ?
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2024-05-09 13:32:00
Mas molara FeO=56+16=72g/mol 1mol.............6.023*10²³ atomi Fe x moli............0.6023*10²³ atomi Fe x=1*0.6023*10²³/6.023*10²³ x=0.1moli 1mol....................72g 0.1moli.....................y y=0.1*72/1=7.2g
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