Advertisements
Advertisements
प्रश्न
Calculate the number of gram atoms in 4.6 gram of sodium.
उत्तर
Given: Na = 4.6 gm
Atomic mass = 23
No. of gram atoms of Na = `"Mass of Na"/"Atomic mass of Na"`
= `4.6/23`
= 0.2 gms
APPEARS IN
संबंधित प्रश्न
Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23 u, Fe = 56 u)?
What is the mass of 0.5 mole of water molecules?
What is a group of 6.022 × 1023 particles known as ?
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
Fill in the blank.
One a.m.u. is the mass of ______ atom of C12.
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.
Calculate the mass of 0.1 mole of carbon dioxide.
[Atomic mass: S = 32, C = 12 and O = 16 and Avogadro's number = 6 × 1023]
Cost of Sugar (C12H22 O11) is Rs 40 per kg; calculate its cost per mole.
Calculate the number of oxygen atoms in 0.10 mole of Na2CO3.10H2O.
The difference in the mass of 100 moles each of sodium atoms and sodium ions is 5.48002 g. Compute the mass of an electron.
