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Lina20 [59]
3 years ago
12

An alloy contains 59g of pure silver and 19g of pure copper. What is the silver in the alloy

Chemistry
1 answer:
Lyrx [107]3 years ago
6 0

59+19=78

78----->59

100------>59*100/78

this percentage silver in the alloy

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Vaselesa [24]

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Explanation:

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Sergio [31]

<u>Answer:</u>

The correct answer option is C. 2.

<u>Explanation:</u>

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3 years ago
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stiks02 [169]
The atomic number of copper is 29.

Hope this helps and if it does, don't be afraid to rate my answer as well as maybe give it a "Thanks"? (Or even better a "Brainliest"). And if it’s not correct, I am sorry for wasting your time, and good luck finding the correct answer :)


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Marizza181 [45]

Answer:

See detailed explanation.

Explanation:

Hello!

i. In this case, since the given chemical reaction is exothermic due to the negative change in the enthalpy of reaction, we infer that according to the mentioned principle, by lowering the temperature the reaction will shift rightwards and therefore the yield is increased; thus, you need a lower temperature than the specified.

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Best regards!

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