Advertisements
Advertisements
Question
Calculate the number of gram atoms in 4.6 gram of sodium.
Advertisements
Solution
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
RELATED QUESTIONS
Calculate the molar mass of the following substance:
Hydrochloric acid, HCl
If the aluminium salt of an anion X is Al2X3, what is the valency of X ? What will be the formula of the magnesium salt of X ?
How many moles are there in 34.5 g of sodium ? (Atomic mass of Na = 23 u)
Define the term.
Molar volume
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
What mass of ammonium nitrate should be heated to produce 8.96L of steam?
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]
Cost of Sugar (C12H22 O11) is Rs 40 per kg; calculate its cost per mole.
Which of the following weighs the least?
How many grams are there in the following?
3 moles of chlorine molecule, Cl2.
The number of atoms present in 0.1 mole of P4 (at. mass = 31) is ______.
