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If a sample of copper contains 1.76E 4 atoms of copper-63 and 7.88E 3 atoms of copper-65 what is the percentage of copper-63 atoms in the sample?
Adnanzaki
add 1.78 x 104 and 7.88 x 103 together and divide by 1.76 x 104 69.315%
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∙ 15y ago
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What element are in copper sulphate contain?
A crystal of copper sulfate contains copper, sulfur and oxygen.
What does copper contain?
Copper has a low hardness and is easily malleable. The element copper contains copper - it is often used for electrical conductivity.
What elements does the compound Copper(II) Oxide contains in it?
Chemical formula for this compound is CuO. It contains the elements Copper and Oxygen. It is a red colored compound.
Brass is an alloy which contains...?
Bronze is principally an alloy of copper and tin. Brassis any alloy of copper and zinc.
Which alloy contains the metals copper and zinc?
Brass
What percentage of copper is in a coin minted in 1962?
The percentage of any metal in a coin would depend entirely on the coin and the country it came from. An Australian 1962 "copper" coin (bronze) contains 97% copper. An Australian 1962 "silver" coin (cupro-nickel) contains 40% copper. A British 1962 "copper" coin (bronze) contains 97% copper. A British 1962 "silver" coin (cupro-nickel) contains 75% copper. An American 1962 "copper" (bronze) 1¢ coin contains 95% copper An American 1962 "nickel" 5¢ coin is actually 75% copper An American 1962 silver coin is 10% copper, with the rest silver.
Do Korean coins contain silver or copper?
No country produces general circulation coins containing silver or any other precious metal. No country could afford to. South Korean coins are mostly made from bronze, which contains a very high percentage of copper or, a copper/nickel alloy which also has a high percentage of copper.
What is the percentage of silver used in the liberty 1923 silver dollar?
The 1923 Peace Dollar contains 90% silver and 10% copper.
What is the percentage of copper in pennies made after 1982?
1983 to date the percentage of copper is .025%
Which copper alloy contains the most copper?
brass
What compound contains copper and nitrogen and oxygen?
Copper Nitride Copper Nitrate
What is the composition of copper?
Copper is an element. It contains nothing else.
Why copper is usually found in nature as copper sulfide?
because copper sulphite contains the atoms of copper.
What is a US quarter made of?
If you are referring to a Washington Quarter that was minted from 1932-1964, it contains: 90% silver and 10% copper. If it was minted from 1965 to the present, the composition is: 2 outer layers of 75% copper and 25% nickel bonded to a pure copper core, for an overall percentage of about 92% copper and 8% nickel.
What contains only pure copper?
A piece made from refined copper.
What element are in copper sulphate contain?
A crystal of copper sulfate contains copper, sulfur and oxygen.
What IUD's are copper IUD's?
The ParaGard IUD is T shaped and it contains copper.
