Relative Atomic Mass and Relative Molecular Mass (3)

Chemistry

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Calculation of the relative molecular mass, RMM for O2

RMM of oxygen gas, O2 = 2(RAM of O) = 2(16) = 32

Calculation of the relative molecular mass, RMM for H2O

RMM of water, H2O = 2(RAM of H) + RAM of O = 2(1) + 16 = 18

Calculation of the relative molecular mass, RMM for H2

RMM of water, H2 = 2(RAM of H) = 2(1) = 2

Calculation of the relative molecular mass, RMM for O3

RMM of oxygen gas, O3 = 3(RAM of O) = 3(16) = 48

Calculation of the relative molecular mass, RMM for CO

RMM of CO = RAM of C + RAM of O = 12 + 16 = 28

Calculation of the relative molecular mass, RMM for NH3

RMM of NH3 = RAM of N + 3(RAM of H) = 14 + 3 (1) = 17

Calculation of the relative molecular mass, RMM for N2O4

RMM for N2O4 = 2(RAM for N) + 4(RAM for O) = 2(14) + 4 (16) = 92

Calculation of the relative molecular mass, RMM for C4H10

RMM for C4H10 = 4(RAM for C) + 10(RAM for H) = 4(12) + 10(1) = 58

Calculation of the relative molecular mass, RMM for CuCl2

RMM for CuCl2 = RAM for Cu + 2(RAM for Cl) = 64 + 2(35.5) = 135

Calculation of the relative molecular mass, RMM for Zn(OH)2

RMM bagi Zn(OH)2 = RAM for Zn + 2(RAM for O) + 2(RAM for H) = 65 + 2(16) + 2(1) = 99

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