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Mogatudor15
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Lectia masa molara. Dau 50 de puncte si coroana!!!!!!

Lectia Masa Molara Dau 50 De Puncte Si Coroana class=

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Mihaiimbrisca

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1.MN2=2×14=28g/mol

2. MH2O =2×1+16=18g/mol

3. MNH3=14+3×1=17g/mol

4. MCaO=40+16÷56g/mol

5. MAl2(SO4)3=2×27+3×32+12×16=342g/mol

6. M(NH4)2SO4 =2×14+4×1+32+4×16=128g/mol

7. MO2=2×16=32g/mol

8. MCH4=12+4×1=16g/mol

9. MH2SO4 =2×1+32+4×16=98g/mol

10. MMg(OH)2=24+2×16+2×1=58g/mol

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