Answer:
I would expect ig to be polar
Explanation:
because it can not be nonpolor.
<u>Answer:</u> The given sample of water is not safe for drinking.
<u>Explanation:</u>
We are given:
Concentration of fluorine in water recommended = 4.00 ppm
ppm is the amount of solute (in milligrams) present in kilogram of a solvent. It is also known as parts-per million.
To calculate the ppm of fluorine in water, we use the equation:
![\text{ppm}=\frac{\text{Mass of solute}}{\text{Mass of solution}}\times 10^6](https://tex.z-dn.net/?f=%5Ctext%7Bppm%7D%3D%5Cfrac%7B%5Ctext%7BMass%20of%20solute%7D%7D%7B%5Ctext%7BMass%20of%20solution%7D%7D%5Ctimes%2010%5E6)
Both the masses are in grams.
We are given:
Mass of fluorine =
(Conversion factor: 1 g = 1000 mg)
Mass of water = 5.00 g
Putting values in above equation, we get:
![\text{ppm of fluorine in water}=\frac{0.152\times 10^{-3}}{5}\times 10^6\\\\\text{ppm of fluorine in water}=30.4](https://tex.z-dn.net/?f=%5Ctext%7Bppm%20of%20fluorine%20in%20water%7D%3D%5Cfrac%7B0.152%5Ctimes%2010%5E%7B-3%7D%7D%7B5%7D%5Ctimes%2010%5E6%5C%5C%5C%5C%5Ctext%7Bppm%20of%20fluorine%20in%20water%7D%3D30.4)
As, the calculated concentration is greater than the recommended concentration. So, the given sample of water is not safe for drinking.
Hence, the given sample of water is not safe for drinking.
The correct option is A.
Metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. The malleability of metals refers to their ability to withstand bending and hammering without breaking. Metals are not dull, neither are they brittle, those are the properties of non metals.
A positive correlation does not necessarily indicate a causal link, and a negative correlation does not necessarily indicate a causal link. Option A
<h3>What is correlation?</h3>
In research, correlation often indicates that some kind of relationship does exist between the variables. This does not actually mean causation. The correlation could be positive or negative.
It should be known that; a positive correlation does not necessarily indicate a causal link, and a negative correlation does not necessarily indicate a causal link. Option A
Learn more about correlation:brainly.com/question/6563788
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