Calculate the mass of the following is grams (a) 5.4 moles of `O_(2)` (b) 2.5 moles of `CO_(2)`, ( c) `4.2` mole of nitrogen atoms.

Calculate the mass of the following : 5.4 moles of O_2

Calculate the mass of the following ,2.5 moles of CO_2

Calculate the mass of 5 moles of CaCO_3 in grams.

What is the mass of (i) 1 mole of water (ii) 0.5 mole of CO_(2) (iii) 2.5 moles of Cl_(2) ?

Calculate the mass of the following: (i) 0.5moles of O_(2) gas (ii) 0.5moles of O atoms (iii) 3.011xx10^(23)"atoms of O" (iv) 6.022xx10^(23)"molecules of "O_(2) (Givem: Gram atomic mass of oxygen=16g) Gram of molecular mass of oxygen (O_(2)) =32g)

Calculate the mass of oxygen in grams present in 0.1 mole of Na_(2)CO_(3).10H_(2)O