Advertisements
Advertisements
प्रश्न
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.
Advertisements
उत्तर
The relative atomic mass of an element is the number of times one atom of an element is heavier than `1/12` the mass of an atom of C12.
संबंधित प्रश्न
Calculate the number of moles in 12g of oxygen gas.
How many moles are represented by 100 g of glucose, C6H12O6 ? (C = 12 u, H = 1 u, O = 16 u)
The relative atomic mass of Cl atom is 35.5 a.m.u. Explain this statement.
Two oxides of a metal (M) have 20.12% and 11.19% oxygen. The formula of the first oxide is MO. Determine the formula of the second oxide.
Calculate the number of molecules in one Kg of calcium chloride.
Calculate the number of atoms in the following:
52 g of He
The molecular formula for elemental sulphur is S8. In a sample of 5.12 g of sulphur:
How many moles of sulphur are present?
What is Molar volume of a gas?
Calcium chloride when dissolved in water dissociates into its ions according to the following equation.
\[\ce{CaCl2} (aq) → {Ca^{2+} (aq) + 2{Cl}- (aq)}\]
Calculate the number of ions obtained from CaCl2 when 222 g of it is dissolved in water.
The visible universe is estimated to contain 1022 stars. How many moles of stars are present in the visible universe?
