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11111nata11111 [884]
2 years ago
15

Can you help me plz will mark brainlyiest

Chemistry
2 answers:
alexira [117]2 years ago
6 0

Answer:

I would help but the picture will not load for me :(

Explanation:

KIM [24]2 years ago
6 0
The picture is just a white screen
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Try d cuz if im not mistaken if you burnt white phosphorus all the gas is going to take most the air
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2 years ago
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What is the molarity of solution that is 5.50 percentage by mass oxalic acid and has a density of 1.024 g/ml
Y_Kistochka [10]

Answer:

0.6257 M is the molarity of solution that is 5.50 percentage by mass oxalic acid.

Explanation:

Mass percentage of oxalic acid = 5.50%

This means that in 100 grams of solution there are 5.50 grams of oxalic acid.

Mass of solution , m = 100

Volume of the solution = V

Density of the solution = d = 1.024 g/mL

V=\frac{m}{d}=\frac{100 g}{1.024 g/mL}=97.66mL

V = 97.66 mL = 0.09766 L

(1 mL = 0.001 L)

Moles of oxalic acid = \frac{5.50 g}{90 g/mol}=0.06111 mol

Molarity=\frac{\text{Moles of solute}}{\text{Volume of solution in L}}

The molarity of the solution :

=\frac{0.06111 mol}{0.09766  L}=0.6257M

0.6257 M is the molarity of solution that is 5.50 percentage by mass oxalic acid.

6 0
3 years ago
The abbreviation for refrigerants containing chlorine fluorine carbon and hydrogen is
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3 years ago
Which of the following is a characteristic of a scientific theory
Andru [333]

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number one

Explanation:

hope I helped

8 0
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Answer:

Now that you have the knowledge of the highest specific heat capacity and lowest porosity, which material would you choose to build Rover's new doghouse roof?

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xXxAnimexXx

Have a great day!

7 0
3 years ago
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