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Question #745cc

1 Answer

May 5, 2017

0.05 moles

Explanation:

#M=(mass)/(A_r or M_r)#

First calculate the #M_r# of sodium carbonate.

#(23*2) + 12 + (16*3) = 106#

Then do #(5.3)/(106)#

=0.05 moles

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