Advertisements
Advertisements
प्रश्न
Calculate the mass of 0.1 mole of the following:
Na2SO4.10H2O
(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
Advertisements
उत्तर
0.1 mole of Na2SO4.10H2O has mass = 322 x 0.1 = 32.2 g
APPEARS IN
संबंधित प्रश्न
What is the mass of 0.2 mole of oxygen atoms?
One of the following elements has an atomicity of ‘one’. This element is :
Define the term:
Avogadro’s number
Explain the term:
Gram atom
Fill in the blank
One gram atom of an element contains ______ atoms.
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
What volume of dinitrogen oxide is produced at the same time as 8.96 L of steam?
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?
Correct the following statement :
Equal masses of all gases under identical conditions contain the same number of molecules.
Which of the following weighs the least?
From the equation for burning of hydrogen and oxygen
\[\ce{2H2 + O2 -> 2H2O}\] (Steam)
Write down the number of mole (or moles) of steam obtained from 0.5 moles of oxygen.
