Chemistry
Calculate the number of oxygen atoms in 0.10 mole of Na2CO3.10H2O.
Mole Concept
45 Likes
Answer
1 molecule of Na2CO3.10H2O contains 13 atoms of oxygen
∴ 6.022 × 1023 molecules (ie., 1 mole) has 13 × 6.022 × 1023 atoms
∴ 0.1 mole will have atoms = 0.1 × 13 × 6.022 × 1023
= 7.8 × 1023 atoms
Answered By
34 Likes
Related Questions
Calculate the weight/mass of :
(a) an atom of oxygen
(b) an atom of hydrogen
(c) a molecule of NH3
(d) 1022 atoms of carbon
(e) the molecule of oxygen
(f) 0.25 gram atom of calcium
Calculate the mass of 0.1 mole of each of the following
(a) CaCO3
(b) Na2SO4.10H2O
(c) CaCl2
(d) Mg
(Ca = 40, Na = 23, Mg =24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
Calculate the number of gram atoms in 4.6 gram of sodium
Calculate the number of moles in 12 g of oxygen gas