The appropriate response is a voluntary exchange. It is the demonstration of purchasers and merchants openly and energetically captivating in market exchanges. Additionally, exchanges are made such that both the purchaser and the dealer are in an ideal situation after the trade than before it happened.
<u>Answer:</u> The mass of arsenic found in the sample is 0.25 mg
<u>Explanation:</u>
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 oxygen in sea water, we use the equation:
Both the masses are in grams.
We are given:
Concentration of arsenic = 5 ppm
Mass of sample = 50 g
Putting values in above equation, we get:
<u>Conversion factor used:</u> 1 g = 1000 mg
Hence, the mass of arsenic found in the sample is 0.25 mg
Answer:
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Drink plenty of water.
Explanation:
I did the test and the answer is C.