Advertisements
Advertisements
प्रश्न
Which of the following pair of elements represents a mole ratio of 1 : 1 ?
पर्याय
10 g of calcium and 12 g of magnesium
12 g of magnesium and 6 g of carbon
12 g of magnesium and 6 g of carbon
20 g of sodium and 20 g of calcium
उत्तर
12 g of magnesium and 6 g of carbon
12 g of magnesium and 6 g of carbon will have a mole ratio of 1 : 1.
APPEARS IN
संबंधित प्रश्न
If one mole of carbon atoms weighs 12 gram, what is the mass (in gram) of 1 atom of carbon?
Convert into mole.
20 g of water
What is a group of 6.022 × 1023 particles known as ?
Fill in the following blanks :
0.5 mole of calcium element has a mass of ............... .
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
Explain with examples what is meant by a 'mole' of a substance.
The equation for the burning of octane is:
\[\ce{2C8H18 + 25O2 -> 16CO2 + 18H2O}\]
How many moles of carbon dioxide are produced when one mole of octane burns?
Find the number of molecules in 73 g of HCl.
Calculate the number of molecules in one Kg of calcium chloride.
The molecular formula for elemental sulphur is S8. In a sample of 5.12 g of sulphur:
How many moles of sulphur are present?
