Question

The most abundant elements by mass in the body of a healthy human adult is oxygen (61.4%); carbon (22.9%), hydrogen (10.0 %); and nitrogen (2.6%). The weight which a 75 kg person would gain if all 1 h atoms are replaced by 2 h

Answer 1

Answer:

he would gain 7.5 kgs

Explanation:

according to the question7.5 kg are h ions so if they should converted to 2h. 1 H must gain another H ion . 7.5 kg of H will contain 7500 atoms of H. so 7500 atoms of H should gain another 7500 H atoms. so it should gain 7500 g i.e is 7.5 kg