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lora16 [44]
1 year ago
6

Element X reacts with copper to form the compounds CuX and CuX2. In which group on the Periodic Table is element X found?

Chemistry
1 answer:
lapo4ka [179]1 year ago
5 0
Cu has two possible charges: plus 1 and plus 2. Thus, when copper is combined with an anion (negatively charged ion), the anion carries a subscript of one or two. This is shown in the given, Moreover, the given shows copper carries a subscript only of one. This means the anion has an original charge of negative one. These elements belong to the halogen family (Group 17).
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Which of the following does not involve colligative properties?
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Aleks [24]

Answer:

The total amount of Au is $ 2.0\times10^{24}

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Mass of 1.0 ml of Au m=4\times10^{-2}\ g

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We need to calculate the volume in ml

Using given volume

V=1.5\times10^{21}\times1000\ mL

V=1.5\times10^{24}\ mL

We need to calculate the total mass of Au  

Using given data

1\ ml\ volume = 4\times10^{-2}\ g

1.5\times10^{24}\ ml=4\times10^{-2}\times1.5\times10^{24}

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Mass=0.035274\times6\times10^{22}

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Hence, The total amount of Au is $ 2.0\times10^{24}

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