Question

calculați masa moneculara:
H2,O2,F2,S,Ch4,Nh3,H2So4
va rog am nevoie repede
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Answer 1

Răspuns:

MH2 =2×1=2g/mol

MO2=2×16= 32g/mol

MF2=2×19=38g/mol

MS=32g/mol

MCH4=12+4×1=16g/mol

MNH3=14+3×1=17g/mol

MH2SO4 =2×1+32+4×16=98g/mol