39.     The relative molecular mass of CaCl₂ is 111. Therefore 1.11 g of CaCl₂ contains:

1.        10 m mol
2.        0.01 mol.l^-1
3.        100 mmol
4.        10 mmol.l^-1
5.        10 mmol

40.     The relative molecular mass of palmitic acid is 256. Therefore to obtain 1 mmol of palmitic acid you would weigh out:

1.        2.56 kg
2.        256 g
3.        0.256 g
4.        25.6 mg
5.        0.256 mg

41.     The relative molecular mass of sucrose is 342. Therefore to obtain 1 mmol of sucrose you should weigh out:

1.        3.42 kg
2.        342 g
3.        0.342 g
4.        34.2 mg
5.        342 mg

42.       The relative molecular mass of glucose is 180. Therefore 18 g of glucose contains:

1.        10 m mol
2.        0.01 mol.l^-1
3.        100 mmol
4.        10 mmol
5.        10 mmol.l^-1

43.      The relative molecular mass of glycine is 75. Therefore 0.75 g of glycine contains:

1.         0.01 mol.l^-1
2.        10 mmol.l^-1
3.        10 mmol
4.        10 mmol
5.        100 mol

44.       The relative molecular mass of urea is 60. Adult humans excrete about 30 g of urea per day, which is equivalent to:

1.        0.5 nmol
2.        0.5 mmol
3.        0.5 mmol
4.        0.5 mol
5.        none of the above

45.     The relative molecular mass of alanine is 89. Therefore 8.9 mg of alanine contains:

1.        0.1 mol.l^-1
2.        0.1 mmol.l^-1
3.        100 mmol
4.        10 mmol
5.        100 mmol
 
 
 

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