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प्रश्न
Fill in the blank
One gram atom of an element contains ______ atoms.
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उत्तर
One gram atom of an element contains quantity of element which weights equal to its gram atomic mass atoms.
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संबंधित प्रश्न
Convert into mole.
22 g of carbon dioxide
Choose the correct answer from the options given below:
The ratio between the number of molecules in 2g of hydrogen and 32g of oxygen is:
[Given that H = 1, O = 16]
The percentage composition of a gas is Nitrogen 82.35%, Hydrogen 17.64%. Find the empirical formula of the gas. [N = 14, H = 1]
What is the mass of 0.2 mole of oxygen atoms ?
What name is given to the amount of substance containing this number of atoms ?
Which of the following pair of elements represents a mole ratio of 1 : 1 ?
Calculate the mass of 0.1 mole of the following:
CaCO3
(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
If phosphorus is considered to contain P4 molecules, then calculate the number of moles in 100g of phosphorus?
Solid ammonium dichromate decomposes as:
\[\ce{(NH4)2Cr2O7 -> N2 + Cr2O3 + 4H2O}\]
If 63 g of ammonium dichromate decomposes. Calculate the quantity in moles of nitrogen formed.
Fill in the missing data in the Table
| Species Property | H2O | CO2 | Na atom | MgCl2 |
| No. of moles | 2 | - | - | 0.5 |
| No. of particles | - | 3.011×1023 | - | - |
| Mass | 36g | - | 115 g | - |
