Question

find the number of molecules in
32 gram
02 gas
goram of​

Answer 1

Answer:

One mole of oxygen gas, which has the formula O2,

has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms,

because each molecule of oxygen contains two oxygen atoms.

Answer 2

Answer:

We know,

We know, Moler mass of O = 16u

We know, Moler mass of O = 16uMoler mass of O2 = 32u

We know, Moler mass of O = 16uMoler mass of O2 = 32u And 32g of O2= 1 mole of O2

We know, Moler mass of O = 16uMoler mass of O2 = 32u And 32g of O2= 1 mole of O2Therefore, 32 g of oxigen has molecules=

We know, Moler mass of O = 16uMoler mass of O2 = 32u And 32g of O2= 1 mole of O2Therefore, 32 g of oxigen has molecules= 6.022×10^23

We know, Moler mass of O = 16uMoler mass of O2 = 32u And 32g of O2= 1 mole of O2Therefore, 32 g of oxigen has molecules= 6.022×10^23 Next, 32g of O2 has atoms = 2* 6.02×10^23

We know, Moler mass of O = 16uMoler mass of O2 = 32u And 32g of O2= 1 mole of O2Therefore, 32 g of oxigen has molecules= 6.022×10^23 Next, 32g of O2 has atoms = 2* 6.02×10^232) 14g is the atomic weight of nitrogen expressed in grams = 1 mol of N atom

We know, Moler mass of O = 16uMoler mass of O2 = 32u And 32g of O2= 1 mole of O2Therefore, 32 g of oxigen has molecules= 6.022×10^23 Next, 32g of O2 has atoms = 2* 6.02×10^232) 14g is the atomic weight of nitrogen expressed in grams = 1 mol of N atomSo, answer is = 6.022×10^23 atoms.

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