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प्रश्न
Explain the term:
Molar volume
Explain the meaning of the term molar volume.
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उत्तर
Molar volume is the volume occupied by one mole of a substance, most commonly a gas, under specified conditions of temperature and pressure.
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Hydrochloric acid, HCl
Calculate the number of moles in 12g of oxygen gas.
How many moles of calcium carbonate (CaCO3) are present in 10 g of the substance ? (Ca = 40 u ; C = 12 u ; O = 16 u)
Fill in the blank.
One a.m.u. is the mass of ______ atom of C12.
Consider the following reaction and based on the reaction answer the questions that follow :
\[\ce{(NH4)2Cr2O7 ->[heat] N2(g) + 4H2O(g) + Cr2O3}\]
Calculate :
(i) The quantity in moles of (NH4)2Cr2O7 if 63 gm of (NH4)2Cr2O7 is heated.
(ii) The quantity in moles of nitrogen formed.
(iii) The volume in litres or dm3 of N2evolved at STP.
(iv) The mass in grams of Cr2O3 formed at the same time
[Atomic masses : H = 1, Cr=52, N=14]
How many grams of HCl are present in 0.1 mole of it?
Calculate the number of moles of methane in 0.80 g of methane.
Correct the statement, if required.
The relative atomic mass of an element is the number of times one molecule of an element is heavier than `1/12` the mass of an atom of C12.
One mole of any gas occupies ______ ml at S.T.P.
Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercury are present in 225 g of pure HgS? Molar mass of Hg and S are 200.6 g mol–1 and 32 g mol–1 respectively.
