Calculate the average atomic mass of silver
Silver consists of two major isotopes with the following percent abundances and atomic masses: 107Ag (51.84% and 106.90509 amu) and 109Ag (48.16% and 108.90476 amu). Calculate the average atomic mass of silver to five significant digits.
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if 25.0 milliliters of .2oo molar BrO3- is mixed with 30.0 milliliters of .450-molar Br- solution that contains a large excess of H+, the amount of Br2, formed, according to the equation above, is ??
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You are studying a 3-km stretch of stream that is about 35 m wide. A gaging station on the stream provides you with an estimate that the average flow rate during your srudy was 3 cubic meters per second (ems).
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