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mojhsa [17]
3 years ago
13

Postulates of Bohr's atomic model in points​

Chemistry
1 answer:
VladimirAG [237]3 years ago
3 0

Answer:

There is a really good A P P for this in the A P P store

Explanation:

I C A N T type it on H E R E

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A sample of aspirin weighing 5.945 g became contaminated with 2.134 g of sodium sulfate. The resulting
ira [324]

Answer:

The correct answer to the following question will be "62.9 %".

Explanation:

The given values are:

The aspirin's initial amount = 5.945 g.

and is polluted containing 2,134 g of sodium sulfate.

After extraction we provided 3,739 g of pure aspirin.

Now,

Percentage \ of \ recovery \ aspirin =\frac{Aspirin \ amount \ isolated \ after \ extraction}{initial \ amount \ of \ aspirin}\times 100

On putting the values in the above formula, we get

⇒                                                    =\frac{3.739}{5.945}\times 100

⇒                                                    =62.9 \ percent

Note: percent = %

7 0
3 years ago
I NEED HELP ASAP!!!!<br><br><br><br> ITS DUE IN A FEW MINUTES!!!!
OleMash [197]

Answer:

The Sun and the planets were born from a cloud of gas and dust called the solar nebula 4.6 billion years ago. The collapse of the solar nebula was most likely triggered by a shock wave from a nearby supernova explosion. The Sun formed in the center, with the planets surrounding it in a thin disk.

Explanation:

6 0
3 years ago
What is the most important reason to publish results as part of the scientific process?
svp [43]
<span>It allows other scientists to check findings</span> is the most important reason to publish results as part of the scientific process.
4 0
3 years ago
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Which of the following lists elements from lowest to highest atomic number
vitfil [10]
Lowest is Hydrogen highest is <span>Beryllium
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8 0
4 years ago
Thallium consists of 29.5%Th-203 and 70.5%Th-205. What is the relative atomic mass of thallium?
grin007 [14]
0.295 * 203 = 53.885
0.705 * 205 = 144.525
53.885 + 144.525 = 204.41
The relative atomic mass of Thallium is 204.41 
7 0
3 years ago
Read 2 more answers
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