Chemistry

Chemistry, 21.08.2019 03:30, chanelandme123

Why is gold usually found in its pure form

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Mathematics, 23.06.2019 18:30, Star6147

The purity of gold is measured in? karats, with pure gold being 24 karats. other purities of gold are expressed as proportional parts of pure gold. thus? 18-karat gold is 18/24? , or? 75% pure? gold; 12-karat gold is 12/24? , or? 50% pure? gold; and so on. how much 16? -karat gold should be mixed with pure gold to obtain 80 grams of 20? -karat ? gold?

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Chemistry, 21.08.2019 19:30, ahmetagayew2004

The purity of gold is measured in karats, with pure gold being 24 karats. other purities of gold are expressed as proportional parts of pure gold. thus 18-karat gold is startfraction 18 over 24 endfraction 18 24, or 75% pure gold; 12-karat gold is startfraction 12 over 24 endfraction 12 24, or 50% pure gold; and so on. how much 2020-karat gold should be mixed with pure gold to obtain 8080 grams of -karat gold? how much 2020-karat gold should be used?

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Chemistry, 02.10.2019 00:20, purplebandit96

The purity of gold is measured in karats, with pure gold being 24 karats. other purities of gold are expressed as proportional parts of pure gold. thus 18-karat gold is startfraction 18 over 24 endfraction 18 24, or 75% pure gold; 12-karat gold is startfraction 12 over 24 endfraction 12 24, or 50% pure gold; and so on. how much 2020-karat gold should be mixed with pure gold to obtain 8080 grams of -karat gold? how much 2020-karat gold should be used?

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