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प्रश्न
One mole of any gas occupies ______ ml at S.T.P.
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उत्तर
One mole of any gas occupies 22400 ml at S.T.P.
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संबंधित प्रश्न
Calculate the molar mass of the following substance:
Hydrochloric acid, HCl
What name is given to the amount of substance containing 6.022 × 1023 particles(atoms,molecules or ions) of a substance ?
How many moles of O2 are there in 1.20 × 1022 oxygen molecules ?
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
What is meant by ‘a mole of carbon atoms’ ?
Explain the term:
Gram mole
Fill in the blank
One gram atom of an element contains ______ atoms.
Fill in the blank.
One a.m.u. is the mass of ______ atom of C12.
The equation for the burning of octane is:
\[\ce{2C8H18 + 25O2 -> 16CO2 + 18H2O}\]
- How many moles of carbon dioxide are produced when one mole of octane burns?
- What volume, at STP, is occupied by the number of moles determined in (a)?
- If the relative molecular mass of carbon dioxide is 44, what is the mass of carbon dioxide produced by burning moles of octane?
- What is the empirical formula of octane?
Deduce the number of molecules of the following compound in the given quantity.
8.8g carbon dioxide
