Exams › NEET › Chemistry

Which has the maximum number of molecules among the following?

1. 44 g CO2
2. 48 g O3
3. 8 g H2
4. 64 g SO2

Correct answer: 8 g H2

Solution

To determine the number of molecules, calculate moles for each substance using their molar masses and multiply by Avogadro's number. H2 has the smallest molar mass (2 g/mol), so 8 g of H2 corresponds to the highest number of moles and thus the maximum number of molecules.

Related NEET Chemistry questions

• Which of the following statements is/are correct? This question has multiple correct options
• Calculate the \( \% \) composition of Carbon in \( C O_{2} . \) Molar mass is 44.01
• Which of the following rules regarding the significant figures and calculations involving them is not correct?
• \( 16.8 \mathrm{g} \) of metal carbonate on thermal decomposition gave 8 g of metallic oxide and \( 8.8 \mathrm{g} \) of carbon dioxide. They follow:
• Calculate the percent composition of carbon in \( C_{6} H_{12} O_{6} \)
• Which one of the followings has maximum number of atoms?

⚔️ Practice NEET Chemistry free + battle 1v1 →