What is the formula mass of beryllium chlorate, #Be(ClO_3)_2#, in atomic mass units?

1 Answer
Meave60
Feb 18, 2016

The formula mass of beryllium chlorate is #"175.91 u"#.

Explanation:

Use the periodic table to look up the atomic masses of the elements in the compound. Then multiply the atomic mass for each element times its subscript, and add them together.

#"Be":# #"9.0122 u"#
#"Cl":# #"35.45 u"#
#"O":# #"15.999 u"#

Formula Mass of #"Be(ClO"_3")_2#

#(1xx9.0122"u")+(2xx35.45"u")+(6xx15.999"u")="175.91 u"#

For more information about atomic mass units and unified mass units, see the following link: https://en.wikipedia.org/wiki/Atomic_mass_unit

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