A hemoglobin molecule is how many times heavier than a helium atom?
Correct answer: B. 17000 times
- A. 68000 times
- B. 17000 times
- C. 34000 times
- D. 1700 times
Explanation
Mass of Hb compared to H/Molar mass of Helium 68000/4= 17000
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Fundamental Concepts of Chemistry
Mole calculations connect mass, number of particles and Avogadro's number, while balanced equations provide the mole ratios used in stoichiometry. Questions cover limiting and excess reactants, theoretical yield and percentage yield, including identifying which reactant is consumed first and comparing the actual product with the maximum possible product.
Practise Fundamental Concepts of Chemistry
894 free Fundamental Concepts of Chemistry MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Chemistry questions like this
Chemistry is on 14 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Fundamental Concepts of Chemistry questions
When 16.6 g of KI is treated with an excess of KIO3 in the presence of 6NHCl, ICl is produced. The amount of KIO3 consumed and the ICl formed are:
112 ml of a gas is produced at STP by the action of 0.412 gm of ROH alcohol with CH3Mgl. Molecular mass of alcohol is:
Which sample contains the largest number of atoms?
Which of the following has maximum mass?
Volume occupied by 4.4g of CO2 at STP is
Which of the following is not true for a mole?