What is the mass of $0.25$ mol of calcium carbonate, $\mathrm{CaCO}{}_3$? (Ca = 40, C = 12, O = 16)

More questions on Mole, molar mass, Avogadro number and molar volume

• The number of molecules present in 3.6 g of water (H2O, M = 18 g mol^-1) is (use N_A = 6.02x10^23 mol^-1): NEET level
• The volume occupied at STP by 8.8 g of carbon dioxide is (C = 12, O = 16; molar volume at STP = 22.4 L mol^-1): NEET level
• The total number of atoms in 0.5 mol of ammonia, NH3, is (use N_A = 6.02x10^23 mol^-1): NEET level
• Which of the following samples contains the largest number of atoms? (H = 1, C = 12, O = 16) JEE Main level
• A gas has a density of 2.857 g L^-1 at STP (molar volume 22.4 L mol^-1). Which gas is it? (C = 12, N = 14, O = 16, S = 32, Cl = 35.5) JEE Main level
• The mass of a single copper atom (Cu = 63.5) in grams is (use N_A = 6.02x10^23 mol^-1): JEE Main level