Chemistry Class IX February 7, 2022 Welcome to your Chemistry Class IX 1. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: Hydrochloric acidChemical Formula:_____________Molecular Mass/Atomic Mass a.m.u:1(1)+1(35.5)=36.5 2. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:Iron Chemical Formula: ___________Molecular Mass/Atomic mass a.m.u: 56(Not important) 3. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:Mercury Chemical Formula: _____________Molecular Mass/Atomic mass a.m.u: 201(Not important) 4. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: _____________Chemical Formula: SO2 Molecular Mass/Atomic mass a.m.u: 1(32)+2(16)=64 5. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:____________Chemical Formula: Na2CO3 Molecular Mass/Atomic mass a.m.u: 2(23)+1(12)+3(16)=106 6. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:______________ Chemical Formula: CO2Molecular Mass/Atomic mass a.m.u: 1(12)+2(16)=44 7. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:Carbon monoxide  Chemical Formula: ___________Molecular Mass/Atomic mass a.m.u:1(12)+1(16)=28 8. [Formulas,Chemistry,IX] Fill in the Blanks Add descripChemical Name: ___________Chemical Formula: H2OMolecular Mass/Atomic Mass a.m.u: 2(1)+1(16)=18 9. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: _____________Chemical Formula: H2SO4 Molecular Mass/Atomic mass a.m.u: 2(1)+1(32)+4(16)=98 10. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: _____________Chemical Formula: C12H22O11 Molecular Mass/Atomic mass a.m.u: 12(12)+22(1)+11(16)=342 11. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: Sodium hydroxideChemical Formula: ____________Molecular Mass/Atomic mass a.m.u: 1(23)+1(16)+1(1)=40 12. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:____________Chemical Formula:  CaSO4 Molecular Mass/Atomic mass a.m.u: 1(40)+1(32)+4(16)=136 13. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: _____________Chemical Formula: HNO3Molecular Mass/Atomic mass a.m.u: 1(23)+1(35.5)=58.5 14. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:Zinc  Chemical Formula: ___________Molecular Mass/Atomic mass a.m.u: 65(Not important) 15. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:NickelChemical Formula: ___________Molecular Mass/Atomic mass a.m.u: 59(Not important) 16. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: _____________Chemical Formula:  CuSO4Molecular Mass/Atomic mass a.m.u: 1(64)+1(32)+4(16)=160 17. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: ___________Chemical Formula: H2Molecular Mass/Atomic Mass a.m.u: (1)+(1)=2 18. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: _____________Chemical Formula: CaCO3 Molecular Mass/Atomic mass a.m.u: 1(40)+1(12)+3(16)=100 19. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:Copper Chemical Formula: ___________Molecular Mass/Atomic mass a.m.u: 64(Not important) 20. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:___________Chemical Formula: NH3Molecular Mass/Atomic mass a.m.u: 1(14)+3(1)=17 21. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:____________Chemical Formula: Na2CO3.10H2O Molecular Mass/Atomic mass a.m.u: 2(23)+1(12)+3(16)+10(18)=286 22. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:Sodium ChlorideChemical Formula: ___________Molecular Mass/Atomic mass a.m.u: 1(23)+1(35.5)=58.5 23. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name:____________Chemical Formula:  Ag Molecular Mass/Atomic mass a.m.u: 108(Not important) 24. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: _____________Chemical Formula: C6H6 Molecular Mass/Atomic mass a.m.u: 6(12)+6(1)=78 25. [Formulas,Chemistry,IX] Fill in the Blanks Chemical Name: _____________Chemical Formula: C6H12O6 Molecular Mass/Atomic mass a.m.u: 6(12)+12(1)+6(16)=180 1 out of 25