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Inessa05 [86]
3 years ago
7

What element’s valence electrons are located in 5s25p4?

Chemistry
1 answer:
IrinaK [193]3 years ago
5 0
The element is TELLURIUM. Tellurium has atomic number 52 with the electronic configuration of [Kr] 4d10 5s2 5p4. The element belongs to group 16 elements on the periodic table. It exhibits various oxidation states: +2, +4, +6, and -2. +4 is its most common oxidation state.
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Two methanol-water mixtures are contained in separate tanks. The first mixture contains 40.0 wt% methanol and the second contain
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Answer:

M_{per}= 52.86

W_{per}=47.14

Explanation:

<u>First mixture</u>:

40 wt% methanol - 60 wt% water 200 kg

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W_{per}=\frac{165 kg}{185 kg + 165 kg}*100=47.14

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