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Luba_88 [7]
3 years ago
7

A substance formed when two or more elements combine and lose their distinct properties is

Chemistry
1 answer:
hram777 [196]3 years ago
7 0
Is a compound that went through a chemicAl change
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How much time is needed to deposit 1.0 g of chromium metal from an aqueous solution of crcl3 using a current of 1.5 a?
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The metal component of the given compound, CrCl3, is chromium. The number of moles per 1 g of chromium is calculated through the equation below,

        n = (1 g Cr)(1 mol Cr/51.996 g Cr)
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Determine the number in charge by multiplying with Faraday's constant,

      C = (0.0577 mol Cr)((1 F/1 mol e-)(96485 C/ 1F)
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Then, calculate time by dividing the charge with the current,

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     t = 61.84 hours

<span><em>Answer: 61.84 hours</em></span>


8 0
3 years ago
Read 2 more answers
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