How many atoms are in 0.065 moles of Hg?

3.91x10²² atoms Hg

Explanation: For a single mole of Hg it is equal to the Avogadro's Number or 6.022x10²³ atoms Hg.

0.065 mole Hg x 6.022x10²³ atoms Hg / 1 mole Hg

= 3.91x10²² atoms Hg

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

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