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प्रश्न
Fill in the following blanks :
60 g of carbon element are .............. moles of carbon atoms.
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उत्तर
60g of carbon element are 5 moles of carbon atoms.
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संबंधित प्रश्न
What name is given to the amount of substance containing this number of atoms ?
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
How many moles are represented by 100 g of glucose, C6H12O6 ? (C = 12 u, H = 1 u, O = 16 u)
Fill in the blank.
One a.m.u. is the mass of ______ atom of C12.
Calculate the mass of 0.1 mole of the following:
CaCl2
(Ca = 40, Na=23, Mg =24, S=32, C = 12, Cl = 35.5, O=16, H=1)
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.
Calculate the number of moles in 7g of nitrogen.
1 mole of any substance contains ______ molecules.
One mole of any gas occupies ______ ml at S.T.P.
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.
