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nirvana33 [79]
3 years ago
10

Given 5.86 grams of NaN3, how many grams of Na are produced?

Chemistry
1 answer:
Papessa [141]3 years ago
6 0

Answer:

what no entiendo nada jahag6

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8. If you have 100 ml of 10X Buffer A, how could you prepare 450 ml of 1 X buffer A?
lakkis [162]

We have that you can you prepare 450 ml of 1 X buffer A by adding 45ml of 10X buffer A with 405ml(450-45) of water

From the question we are told

If you have 100 ml of 10X Buffer A, how could you prepare 450 ml of 1 X buffer A

Generally the equation for the  Concentration  Volume relationship is mathematically given as

C1V1=C2V2\\\\Where\\\\C1=10X\\\\C2=1X buffer A\\\\V2=450ml \\\\Therefore\\\\V1=\frac{450*1}{10}\\\\V1=45ml

Therefore

You can you prepare 450 ml of 1 X buffer A by adding 45ml of 10X buffer A with 405ml(450-45) of water

For more information on this visit

brainly.com/question/17756498

6 0
2 years ago
Tollens\' reagent, [Ag(NH3)2] , is used to test for the presence of aldehydes. The reaction results in reduction of the silver i
daser333 [38]

Answer:

On the attached picture

Explanation:

Hello,

As long as the addition of the Tollen's reagent turn out in to the oxidation of the aldehyde, the formed product will be its corresponding carboxylic acid, this is 3-methylbutanoic acid whose structure is shown on the attached picture in the form of the oxidation reaction.

Best regards.

8 0
3 years ago
Explain how you know it must be oxygen. Where
kaheart [24]

Answer:

oxygen is a present in our atmosphere and mixed with other gases on the surrounding screen plants are also measure source of getting oxygen they take carbon dioxide from making their food by for the cities and give away oxygen in return

Explanation:

most of the earth oxygen comes from tiny Ocean plants are called phytoplaston

4 0
2 years ago
Item 4
Mariulka [41]

Answer:

c

Explanation:

8 0
3 years ago
What is the mass of 2.40 moles of magnesium chloride, mgcl2
LiRa [457]

Hey there!

MgCl₂

Find molar mass of magnesium chloride.

Mg: 1 x 24.305

Cl: 2 x 35.453

--------------------  

          95.211 grams

One mole of magnesium chloride has a mass of 95.211 grams.

We have 2.40 moles.

2.40 x 95.211 = 228.5

To 3 sig figs this is 229.

The mass of 2.40 moles of magnesium chloride is 229 grams.

Hope this helps!

4 0
3 years ago
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