31.   The invoice amount is therefore.

32.   The amount of money is a good example.

33.   When the amount is one mole the constant is designated R.

34.   It is known as the molar gas constant or simply the gas constant.

35.   The amount of substance is a physical quantity.

36.   The amount of substance is proportional to the number of specified elementary entities of that substance.

37.   This is particularly important where the sample is expensive and only very small amounts are available.

38.   Approximately equal amounts of each are powdered and mixed together thoroughly.

39.   There were large amounts of microvesicular fat, areas of intrahepatic cholestasis, balloon degeneration of hepatocytes, and periportal fibrosis.

40.   Only a limited amount of reflection is possible.