3 years ago

How many moles of solute are needed to prepare a 2.35 liter solution of 2.00 M Cu(NO3)2 solution

Chemistry

1 answer:

Dvinal [7]3 years ago

6 0

I don’t understand what the question is asking, sorry

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consider an atom having four distinct neergy levels. if an electron is able to make transitions between, any two levels, how man

ludmilkaskok [199]

Answer:

6 different frequencies

Explanation:

From energy level 1 to 2 is one frequency, from energy level 1 to 3 is one frequency and From energy level 1 to 4 is one frequency. So, we have a total of 3 frequencies for transition from energy level 1.

From energy level 2 to 3 is one frequency and from energy level 2 to 4 is one frequency. So, we have a total of 2 frequencies for transition from energy level 2.

From energy level 3 to 4 is one frequency.

So we have a total of 3 + 2 + 1 different frequencies = 6 different frequencies.

Note that the reverse process for each step produces the same frequency as the step in consideration.

8 0

2 years ago

HELP TIMED !!!!

Troyanec [42]

Hello there what is the question?

6 0

3 years ago

Read 2 more answers

What mass of a 0.583 molar solution of iron(III) nitrate is needed to obtain a) 0.0200 moles of iron(III) nitrate, b) 0.0500 mol