If 1 lb = 7000 grains and 1 gm = 15.432 grains,express one ounce in gram to three decimal places (Ans:29.350gm)
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Step-by-step explanation:
Mass of aspirin in the tablet =648×5=324mg
=0.324g
Mass Number of moles =
Molarmass
mass
=
169
0.324
=1.92×10
−3
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