Easy· Mole Concept and Molar Masses (Mole Concept)· +4 / −1
The **right** option for the mass of produced by heating of pure limestone is (Atomic mass of Ca = 40)
Which one of the followings has maximum number of atoms?
NEET 2020 · Easy
The highest number of helium atoms is in
NEET 2024 · Easy
The number of hydrogen atoms present in 5.4 g of urea is: (Given: molar mass of urea: 60\ g mol^-1 ; N_A=6.022×10^23 particles mol ^-1 )
NEET 2026 · Easy
The amount of carbon dioxide evolved upon complete combustion of 116 g of n-butane is (Given: atomic mass in amu H = 1, C = 12 and O = 16)
RE-NEET 2026 · Easy
What mass of 95% pure CaCO_3 will be required to neutralise 50 mL of 0.5 M HCl solution according to the following reaction? [Calculate…
NEET 2022 · Medium
1 gram of sodium hydroxide was treated with 25 mL of 0.75 M HCl solution, the mass of sodium hydroxide left unreacted is equal to
NEET 2024 · Medium