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Science Clinic => Chemistry => Topic started by: WWatsford on Feb 15, 2020

Title: If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 173-pound man?
Post by: WWatsford on Feb 15, 2020

Question 1

An automobile uses gasoline at a rate of 35 mi/gal, which is the same as ________ km/L (1 km = 0.6214 mi, 1 gal = 3.78 L).
◦ 5.8
◦ 210
◦ 82
◦ 15

Question 2

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 173-pound man?
◦ 5.3 × 102 kg Ca
◦ 5.3 kg Ca
◦ 1.1 × 102 kg Ca
◦ 1.1 kg Ca

Title: If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 173-pound man?
Post by: flexer1n1 on Feb 15, 2020

Answer 1

15

Answer 2

1.1 kg Ca

Title: Re: If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 173
Post by: Leann Allen on Aug 30, 2021

Thank you