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ioda
2 years ago
10

49. How much precipitate would result if you have 50 grams of NaCl at 10 degrees Celsius and its cooled to saturation

Chemistry
1 answer:
Gennadij [26K]2 years ago
7 0

Option D is the correct answer , 13.5gm of precipitate would result if 50 grams of NaCl at 10 degrees Celsius and its cooled to saturation.

<h3>What is Solubility ?</h3>

the maximum quantity of a substance that will dissolve in a certain quantity of water at a specified temperature.

From the Solubility Graph of NaCl , we can see that the solubility of NaCl at 10 C is around 36.5gm/L.

If it is cooled down to saturation we will see the precipitate forming and that will be equal to the difference of solute present and the solubility.

As it is given that 50gm of solute is present

The precipitate will be 50- 36.5 gm, = 13.5 gm.

Therefore Option D is the correct answer , 13.5gm of precipitate would result if 50 grams of NaCl at 10 degrees Celsius and its cooled to saturation.

To know more about Solubility

brainly.com/question/8591226

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aniked [119]

Answer: A, Nucleus

B, Cell memebrane

C, vacuole

D, Chloroplast, mitocondria, amyloplast.

Explanation:

These only work if this is a plant cell which you did not specify.

4 0
3 years ago
A student attempted to identify an unknown compound by the method used in the experiment. She found that when she heated the sam
yanalaym [24]
Na2CO3 + 2Cl- ⇒ 2NaCl + CO3^-2 
<span>
1 mole of Na2CO3 = 106 g </span>
<span>2 moles of NaCl     = 2 x 58.4
                               = 116.8 g 
</span>Na2CO3 would increase by 116.8 / 106 = 1.10 to form 2NaCl.
<span>0.4862 g x 1.10 = 0.515 grams of NaCl.
</span>
K2CO3 + 2Cl- ⇒ 2KCl + CO3^-2 
<span>1 mole of K2CO3 = 138.2 g </span>
<span>2 moles of KCl = 149.1 </span>
<span>
K2CO3 would increase by </span>149.1 /138.2 = 1.079 <span>to form 2KCl
</span>
<span> 0.4862 x 1.079 = 0.5246 g</span>


3 0
3 years ago
Read 2 more answers
If one body is positively charged and another one is negatively charged free electrons tend to ?
Inga [223]
Free electrons tend to go from the negatively charged body to the positively charged body
6 0
3 years ago
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an atom of gallium has 31 proton and a mass number of 70 what is the atomic number for an atom of gallium
padilas [110]

Hello!

Atomic Number, is the number where the atom lays on the perodic table and can be found through the number of protons. Meaning that gallium has an atomic number of 31 !

Atomic weight, which is equal to 70 in this case, can be found by subtracting the atomic number from that total to find the remaining number of neutrons that make up the mass. So gallium has 31 protons and 39 protons.


Hope this helps answer your question.

5 0
3 years ago
Read 2 more answers
A heat energy of 645 J is applied to a sample of glass with a mass of 28.4 g. Its temperature increases from –11.6 ∞C to 15.5 ∞C
Anika [276]
The heat that is required to raise the temperature of an object is calculated through the equation,
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Specific heat is therefore calculated through the equation below,
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Substituting,
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5 0
4 years ago
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