Students of Class 9th , 10th and 11th .. Try followings -
1.Find out number of g-atom in 1 atom of C.
2.Find out the specific heat of Na.
3.Find out the Equivalent mass of Al in Al2O3 ( At. Mass of Al = 27 , Oxygen = 16 ).
4.Find out the number of Electrons in 2.45 g of H2SO4.
5.Atomic mass of gold is 197 u. How many moles of gold are present in an ornament containing 88.65 grams of gold?
6. 1 – amu is defined as the 1/12th of mass of 1 Carbon atom . Find out the value of 1 amu in gram.
7. Calculate the number of water molecules and number of oxygen and hydrogen atoms in a drop of water containing 0.03 mol of water.
1.Find out number of g-atom in 1 atom of C.
2.Find out the specific heat of Na.
3.Find out the Equivalent mass of Al in Al2O3 ( At. Mass of Al = 27 , Oxygen = 16 ).
4.Find out the number of Electrons in 2.45 g of H2SO4.
5.Atomic mass of gold is 197 u. How many moles of gold are present in an ornament containing 88.65 grams of gold?
6. 1 – amu is defined as the 1/12th of mass of 1 Carbon atom . Find out the value of 1 amu in gram.
7. Calculate the number of water molecules and number of oxygen and hydrogen atoms in a drop of water containing 0.03 mol of water.
Comments
Post a Comment