Question
One particle(atom) of gold weight 197 atomic mass units. One atomic mass unit is approximately 1.6601 x 10^-24 grams. How many particles of gold are there in 197 grams of gold? Use scientific notation where and when appropriate.
Answers
hint
197g * 1atom/1.6601*10^-24 g = ? atoms
197g * 1atom/1.6601*10^-24 g = ? atoms
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