Advertisements
Advertisements
प्रश्न
Which of the following would weight the least?
[Atomic masses : Ag = 108, N - 14, O = 16,C = 12]
विकल्प
2 gram atoms of Nitrogen
1 mole of Silver
22.4 litres of oxygen gas at 1 atmospheric pressure and 273K
6.02 × 1023 atoms of carbon
Advertisements
उत्तर
6.02 × 1023 atoms of carbon
APPEARS IN
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Hydrochloric acid, HCl
Which of the following correctly represents 360 g of water ?
- 2 moles of H2O
- 20 moles of water
- 6.022 × 1023 molecules of water
- 1.2044 × 1025 molecules of water
Deduce the number of molecules of the following compound in the given quantity.
32g oxygen
Fill in the blank
Avogadro's number is equal to ______
A student puts his signature with graphite pencil. If the mass of carbon in the signature is 10-12 g. Calculate the number of carbon atoms in the signature.
Complete the following calculations. Show working for complete credit :
Calculate the mass of calcium that will contain the same number of atoms as are present in 3.2 gm of Sulphur. [Atomic masses : S = 32, Ca = 40]
Calculate the number of gram atoms in 4.6 grams of sodium (Na = 23)
Explain the term:
Molar volume
Define the term:
Mole
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.
