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2 years ago

How many grams are there in 1.70 moles of KMnO4?

Chemistry

2 answers:

topjm [15]2 years ago

8 0

Answer:

269g

Explanation:

hope this helps you

Rashid [163]2 years ago

6 0

Answer: 269 g
Explanation: since we want moles>grams you would multiply the given by the molar mass of the element divided by one.So 1.70*158/1=269 grams

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Would you classify hydrogen as a metal or a non-metal? <br>Explain why.

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Answer:

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Answer :

(1) The frequency of photon is, $3\times 10^{10}Hz$

(2) The energy of a single photon of this radiation is $1.988\times 10^{-23}J/photon$

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Explanation : Given,

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(1) Now we have to calculate the frequency of photon.

Formula used :

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$\nu=\frac{3\times 10^8m/s}{0.01m}$

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Formula used :

$E=h\times \nu$

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Now put all the given values in the above formula, we get:

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Answer:

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