Mole Concept and Molar Mass

JEE Main Chemistry · Some Basic Concepts of Chemistry · 12 questions, latest first

• Match List - I with List - II. Choose the correct answer from the options given below:20268 April, Shift 2 · Q51
• Which of the following contain the same number of atoms? (Given: Molar mass in g mol^-1 of H, He, O and S are 1, 4, 16 and 32…20266 April, Shift 2 · Q51
• The correct order of total number of atoms present in 2 moles of cyclohexane 684 g of sucrose 90.8 L of dihydrogen at STP is:20264 April, Shift 2 · Q51
• Number of moles and number of molecules in 1.4187 L of SO_2 at STP respectively are20264 April, Shift 1 · Q51
• At the sea level, the dry air mass percentage composition is given as nitrogen gas: 70.0, oxygen gas: 27.0 and argon gas: 3.0. If…20257 April, Shift 1 · Q51
• Among 10^-9 g (each) of the following elements, which one will have the highest number of atoms? Element: Pb, Po, Pr and Pt20253 April, Shift 1 · Q51
• 1 mol of the following given antiviral compound (P) will weigh ____ × 10^-1 g (nearest integer). (Given: molar mass in g mol^-1…20252 April, Shift 1 · Q75
• 2.8 × 10^-3 mol of CO_2 is left after removing 10^21 molecules from its ' x ' mg sample. The mass of CO_2 taken initially is…202523 January, Shift 1 · Q51
• 05 cm thick coating of silver is deposited on a plate of 0.05 m^2 area. The number of silver atoms deposited on plate are ____ ×…202430 January, Shift 1 · Q86
• Match List I with List II Choose the correct answer from the options given below:202310 April, Shift 2 · Q61
• The number of molecules and moles in 2.8375 litres of O_2 at STP are respectively202310 April, Shift 1 · Q61
• A 300 mL bottle of soft drink has 0.2 M CO_2 dissolved in it. Assuming CO_2 behaves as an ideal gas, the volume of the dissolved…202330 January, Shift 1 · Q52