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viktelen [127]
3 years ago
15

A 67.2 g sample of a gold and palladium alloy contains 3.17x10^23 atoms. What is the mass percentage of the gold in the alloy?

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
7 0
The answer is A I hope that helps
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The anesthetic procaine hydrochloride is often used to deaden pain during dental surgery. the compound is packaged as a 10.% sol
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10% solution means=\frac{10g}{100mL}  

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If the dentist inject 0.3 mL, that is equal to 30 mg.

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