The mass fraction of water in the human body is on average 63%, calculate the mass of water contained in your body.
| February 23, 2021 | education
Given:
m (person) = 80 kg
ω (water) = 63%
To find:
m (water) -?
Decision:
1) Initial formula:
ω (water) = m (water) * 100% / m (person);
2) Calculate the mass of water in the human body using the original formula:
m (water) = ω (water) * m (person) / 100% = 63% * 80/100% = 50.4 kg.
Answer: The mass of water in the human body is 50.4 kg.
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