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7nadin3 [17]
3 years ago
13

What separation technique can the mixture of sodium chloride and iodine be separated​

Chemistry
1 answer:
JulijaS [17]3 years ago
8 0

Answer:

Sublimation

Sublimation is the best method for separating iodine from common salt (NaCl). 

Explanation:

sana makatulong

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How many grams of aluminum oxide (Al2O3) will be formed from 10.0 grams of aluminum (Al)? 4 AL + 3 02 --> 2 AL203​
d1i1m1o1n [39]

Answer:

Mass = 18.9 g

Explanation:

Given data:

Mass of Al₂O₃ formed = ?

Mass of Al = 10.0 g

Solution:

Chemical equation:

4Al + 3O₂      →       2Al₂O₃

Number of moles of Al:

Number of moles = mass/molar mass

Number of moles = 10.0 g/ 27 g/mol

Number of moles = 0.37 mol

Now we will compare the moles of Al and Al₂O₃.

                      Al          :          Al₂O₃

                       4           :            2

                     0.37        :         2/4×0.37 = 0.185 mol

Mass of Al₂O₃:

Mass = number of moles × molar mass

Mass = 0.185 mol × 101.9 g/mol

Mass = 18.9 g

4 0
3 years ago
ether has a density of 0.736 g/cm^3 at 20 degrees C. what is the volume, in liters, of 225.0 grams of ether?
polet [3.4K]
D = m / V

0.736 = 225.0 / V

V = 225.0 / 0.736

V = 305.7 cm³
5 0
3 years ago
What is mole-to-mole stoichiometry.
borishaifa [10]

Answer:

https://youtu.be/3zmeVamEsWI

Explanation:

It is defined as the ratio of moles of one substance to the moles of another substance in a balanced equation. ... Mole ratios are the central step in performing stoichiometry because they allow us to convert moles of one substance to moles of another substance.

6 0
3 years ago
a person measures the mass of an 8 cm3 block of brown sugar to be 12.9 g. What is the density of the brown sugar.
Maksim231197 [3]


From the information we have, this block of brown sugar  has a volume of 8cm3

The mass of the block is 12. 9 grams.

We need to find out the density of the sugar.

For a solid material the formula for calculating density is given as:

Density = mass / volume

Therefore we simply fit in the above given values into this formula, so:

Density = 12.9 / 8

Density = 1.61

Therefore the density of the block of sugar is 1.61g/ml


8 0
3 years ago
Explain briefly the function of friction ridges on our palm and finger.​
likoan [24]
The friction aids in grasping and walking. The friction ridge skin also contains numerous sweat glands, and the pore openings are located along the tops of the ridges. The friction ridge skin does not contain sebaceous (oil) glands or hair follicles.
7 0
2 years ago
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