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2 years ago

6

Compound X has a molar mass of 104.01·gmol−1 and the following composition: element mass % nitrogen 26.93% fluorine 73.07% Write

the molecular formula of X .

2 answers:

Stolb23 [73]2 years ago

4 0

Answer:

Explanation:

شخبارج فاطمه

Anuta_ua [19.1K]2 years ago

3 0

Answer: N2F4

Explanation:(NF2)x2 = N2F2

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Please see the attachments

Explanation:

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3 years ago

Which phase change results in atoms with the highest kinetic energy? A. Boiling B. Melting C. Freezing D. Condensing

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4 0

3 years ago

500 mL of water is added to 400 mL of 0.35 M HCl. Find the concentration of the diluted solution.

jarptica [38.1K]

The concentration of diluted solution is 0.16 M

<u>Explanation:</u>

As, the number of moles of diluted solution and concentrated solution will be same.

So, the equation used to calculate concentration will be:

$M_1V_1=M_2V_2$

where,

$M_1\text{ and }V_1$ are the molarity and volume of the concentrated HCl solution

$M_2\text{ and }V_2$ are the molarity and volume of diluted HCl solution

We are given:

$M_1=0.35M\\V_1=400mL\\M_2=?M\\V_2=(500+400)mL=900mL$

Putting values in above equation, we get:

$0.35\times 400=M_2\times 900\\\\M_2=\frac{0.35\times 400}{900}=0.16M$

Hence, the concentration of diluted solution is 0.16 M

5 0

3 years ago