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A 500 g tooth paste sample has 0.2 g fluoride concentration. What is the concentration of F in terms of PPm level ?
- a)250
- b)200
- c)400
- d)1000
Correct answer is option 'C'. Can you explain this answer?
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Calculation of Fluoride Concentration in Terms of PPM Level
Given:
Mass of toothpaste sample = 500 g
Fluoride concentration = 0.2 g
To calculate the concentration of fluoride in terms of PPM level, we need to use the following formula:
PPM = (mass of solute ÷ mass of solution) x 10^6
Here, the mass of solute (fluoride) is 0.2 g and the mass of solution (toothpaste sample) is 500 g.
Substituting these values in the above formula, we get:
PPM = (0.2 ÷ 500) x 10^6
PPM = 400
Therefore, the concentration of fluoride in terms of PPM level is 400.
Hence, the correct answer is option C).
Given:
Mass of toothpaste sample = 500 g
Fluoride concentration = 0.2 g
To calculate the concentration of fluoride in terms of PPM level, we need to use the following formula:
PPM = (mass of solute ÷ mass of solution) x 10^6
Here, the mass of solute (fluoride) is 0.2 g and the mass of solution (toothpaste sample) is 500 g.
Substituting these values in the above formula, we get:
PPM = (0.2 ÷ 500) x 10^6
PPM = 400
Therefore, the concentration of fluoride in terms of PPM level is 400.
Hence, the correct answer is option C).
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A 500 g tooth paste sample has 0.2 g fluoride concentration. What is the concentration of F in terms of PPm level ?a)250b)200c)400d)1000Correct answer is option 'C'. Can you explain this answer?
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