Question #cb30d

1 Answer
Ben B.
Jun 2, 2017

165.6g

Explanation:

Number of moles of #NaNO_3# in 85g = 85/85 = 1 mole

#PbO + 2NaNO_3 rarr Pb(NO_3)_2 + Na_2O#

2 moles of #NaNO_3# required to react with #PbO# to form #Pb(NO_3)_2#. Therefore, 0.5 moles of #Pb(NO_3)_2# are produced.
Molar mass of #Pb(NO_3)_2# = 331.2g
Therefore, mass of #Pb(NO_3)_2# produced = 331.2/2 = 165.6g

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