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dakota10 dakota10
wrote...
8 years ago
10k gold is 41.7% gold. how many grams of pure gold are there in a ring made of 70.0g of 10k gold?
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wrote...
8 years ago
10k * 0.417 = the amount of gold = 4.17k out of 10k is gold.

70g * 0.417 = the amount of 10k gold in 70g = 29.19 g
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