Question

find the number of carbon atom in 3.42 gram of sucrose​

Answer 1

Answer:

The number of carbon, hydrogen and oxygen atoms in 3.42 g of  is,  

Solution : Given,

Mass of  = 3.42 g

Molar mass of  = 342 g/mole

First we have to calculate the moles of .

Now we have to calculate the number of atoms of carbon, hydrogen and oxygen.

In the given molecule, there are 12 number of carbon atoms, 22 number of hydrogen atoms and 11 number of oxygen atoms.

As, 1 mole of carbon contains  number of hydrogen atoms

So, 0.01 mole of carbon contains  number of carbon atoms

and,

As, 1 mole of hydrogen contains  number of hydrogen atoms

So, 0.01 mole of hydrogen contains  number of hydrogen atoms

and,

As, 1 mole of oxygen contains  number of hydrogen atoms

So, 0.01 mole of oxygen contains  number of oxygen atoms

Therefore, the number of carbon, hydrogen and oxygen atoms in 3.42 g of  is,

Explanation:

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Answer 2

Answer:

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Explanation:

molecules mass of cross is equal to 212 into 12 + 1 into 22 + 11 into 16 which is equal to 342

molar mass of sucrose is equal to 342 gram per mole

342 gram of sucrose contain is equal to 6.022 into 10 raise to power 23 molecules

3.42 gram of sucrose contain 6.022 into 10 raise to power 23 into 3.42 divided by 3 42 which is equal to 6.022 into 10 raise to power 21 molecules

number of atom of carbon in 3.42 gram of sucrose is 1 mole is equal to 12 cm and 6.022 into 10 raise to power 21 is equal to?

which is equal to 12 into 6.022 into 10 raise to power 21 Again which is equal to 72.26 into 10 raise to power twenty one atom of

now number of atom of Hydrogen is equal to 22 atoms are there for 6.022 into 10 raise to power 21 is equal to 22 22 into 6.022 into 10 raise to power 21 which is equal to

similarly number of atom of Oxygen is equal to 11 into 6.022 into 10 raise to power 21 which is equal to 66.24 into 10 raise to power 21 .

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