Question #63494

1 Answer
Trevor Ryan.
Feb 21, 2016

#1.8069xx10^24#

Explanation:

#1 # mole of any substance contains #6.023xx10^23# particles.

Hence by ratio and proportion, #3# moles of #Pb# will contain #3xx6.023xx10^23# #Pb# atoms #=1.8069xx10^24# atoms.

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