Identify the relation and complete: `6.022xx10^(23)` Hydrogen atoms (H)=1g. `6.022xx10^(23)` Hydrogen molecules `(H_2)`………………….

Find the mass of. 6.02xx10^23 molecules of CO_2

Identify the relation and complete: Atomic Mass of 1g carbon-12 g. Atomic Mass of 1g Oxygen………………….

Calculate the weight of 6.022 xx 10^(23) molecules of CaCO_(3)

Find the number of moles a) 140g Nitrogen atom b) 85g NH_3 c) 60.22xx10^23 CO_2 , molecule.

The molecular mass of methane (CH_4) is 16: What is the mass of 5xx6.022xx10^(23) CH_4 molecules?

One mole of an element contains 6.022xx10^23 atoms. Which is heavier, one oxygen atom or 10 hydrogen atoms?

One gram atom of an element contains 6.023xx10^23 atoms. Which is heavier , 1 ovygen atom or 10 hydrogen atoms?

Choose the incorrect statement from the following. a) 1 mole Hydrogen atom contains 6.022xx10^23 atoms. b) 1 mole oxygen gas contains 2xx6.022xx10^23 atoms. c) Mass of 1 mole of chlorine is 35.5 g. d) Mass of 0.5 mole of water is 18g. e) 1 mole of nitrogen gas contains 22.4L volume at any state. (Hint: Atomic mass H-1, 0-16, 1-35.5,N=14)

Pick out the correct statements from the following. Also correct the incorrect state-ments: 0.5 mol water has the mass 9g. There are 6.022xx10^(23) H_2O molecules in it. (Atomic mass H=1,O=16,CI=35.5, N=14)

Atomic mass of Nitrogen is 14. which of the following sample contain 6.022 times 10^(23) Nitrogen atoms? (7g Nitrogen, 14g Nitrogen, 28g Nitrogen, 1g Nitrogen)