If 1 grain is equal to 64.8mg, how many moes of aspirin (mol. Wt. =169 – InterviewSolution

1.	If 1 grain is equal to 64.8mg, how many moes of aspirin (mol. Wt. =169) are present in a 5 grain aspirin tablet?
Answer» SOLUTION :Mass of ASPIRIN in the tablet =`64.8xx5=324mg` =0.324g NUMBER of moles `=("Mass")/("Molar mass")=(0.324)/(169)` `=1.92xx10^(-3)`

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