The question is incomplete, the complete question is:
Which option is a microscopic property that helps determine whether or not two substances will dissolve with each other? (1 point)
A. state of matter
B. volume
C. molecular mass
D. polarity
The microscopic property that helps determine whether or not two substances will dissolve with each other is polarity.
A molecule is said to be polar if that molecule possesses a dipole moment. This also means that the molecule has a positive end and a negative end. A typical example of such a molecule is water.
In chemistry, the general rule is that like dissolves like. A polar substance dissolves a polar substance and vice versa.
Therefore we can see that, a microscopic property that helps determine whether or not two substances will dissolve with each other is polarity.
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I believe c is the right answer.
Answer:
- <u>Purpose of Iodine:</u>
Iodine plays a vital role in thyroid health. Our thyroid gland, which is located at the base of the front of your neck, helps regulate hormone production. These hormones control your metabolism and heart health.
The symbol of Iodine is " I ".
Atomic mass of Iodine is 126.90447 u
No. of protons in Iodine is 53.
No. of neutrons in Iodine is 74.
No. of electrons in Iodine is 53.
Answer : The mass of benzyl salicylate needed to manufacture 350 tubes of sunscreen are, 1.55 kg
Explanation :
As we are given that a sunscreen preparation contains 2.60 % by mass benzyl salicylate. That means, 2.60 grams of benzyl salicylate present in 100 g of solution.
First we have to convert the given mass from oz into kg.
Conversion used:
1 kg = 35.274 oz
or,

So,

Now we have to determine the mass of benzyl salicylate.
As, 100 g of solution contains mass of benzyl salicylate = 2.60 g
So, 0.1701 kg of solution contains mass of benzyl salicylate = 
Now we have to determine the mass of benzyl salicylate are needed to manufacture 350 tubes of sunscreen.
Mass of benzyl salicylate in 350 tubes of sunscreen = 0.00442 kg × 350
Mass of benzyl salicylate in 350 tubes of sunscreen = 1.55 kg
Thus, the mass of benzyl salicylate needed to manufacture 350 tubes of sunscreen are, 1.55 kg
Answer:
They exist at specific energy levels
Explanation: