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Asked by JOVIN BENNY Last Modified
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GAM stands for gram atomic mass and GMM stands for gram molecular mass. These are functionally same as the molar mass. GMM is the mass in gram of one mole of a molecular substance.
Masses: GAM, GMM, GFM A. GAM = gram atomic mass 1) the atomic mass (listed on the periodic table) written in grams 1 atom Xe = 131.30 amu & 1 mol Xe = 131.30 g & GAM of Xe = 131.301 g 2) these numbers are usually rounded to 0.1 (tenths) B. GMM = gram molecular mass 1) the sum of all masses of atoms in a molecular compound 1 molecule Cl2 = 70.9 amu & 1 mol Cl2 = 70.9 g & GMM Cl2 = 70.9 g 2) example: E6) Find the GMM of methane, CH4. CH4 = 1(12.0) + 4(1.0) = 12.0 + 4.0 = 16.0 g C. GFM = gram formula mass 1) the mass of one mole of ionic compound 1 f.unit NaCl = 58.4 amu & 1 mol NaCl = 58.4 g & GFM NaCl = 58.4 g 2) example: E7) Find the GFM of calcium hydroxide, Ca(OH)2. Ca(OH)2 = 1(40.1) + 2(16.0) + 2 (1.0) = 74.1 g.
GAM is gram atomic mass and GMM is gram molecular mass.These are functionally same as the molar mass.
GMM: Gram molecular mass is the mass in grams of one mole of a molecular substance.
Ex:=The molecular mass of N2 is 28, so the gram Molecular mass of N2 is 28 g.
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Masses: GAM, GMM, GFM A. GAM = gram atomic mass 1) the atomic mass (listed on the periodic table) written in grams 1 atom Xe = 131.30 amu & 1 mol Xe = 131.30 g & GAM of Xe = 131.301 g 2) these numbers are usually rounded to 0.1 (tenths) B. GMM = gram molecular mass 1) the sum of all masses of atoms in a molecular compound 1 molecule Cl2 = 70.9 amu & 1 mol Cl2 = 70.9 g & GMM Cl2 = 70.9 g 2) example: E6) Find the GMM of methane, CH4. CH4 = 1(12.0) + 4(1.0) = 12.0 + 4.0 = 16.0 g C. GFM = gram formula mass 1) the mass of one mole of ionic compound 1 f.unit NaCl = 58.4 amu & 1 mol NaCl = 58.4 g & GFM NaCl = 58.4 g 2) example: E7) Find the GFM of calcium hydroxide, Ca(OH)2. Ca(OH)2 = 1(40.1) + 2(16.0) + 2(1.0) = 74.1 g.
read less Narender Budhiraja
Physics Teacher
GMM (gram molecular weight)the mass of one mole of a component equal in grams to the molecular weight called also gram molecule.
Eg: H2O
2 hydrogen = 2.01588
1 oxygen = 15.9994
Total molecular: weight = 2H+o
= 2.01588 + 15.9994
= 18.0153grms/mole
GAM (gram atomic weight):the atomic mass of an element expressed in grams is called gram atomic mass
Eg:16grms of oxygen.
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