Advertisements
Advertisements
Question
Correct the following statement :
Equal masses of all gases under identical conditions contain the same number of molecules.
Advertisements
Solution
The correct statement is that equal volumes of all gases under identical conditions contain the same number of molecules.
APPEARS IN
RELATED QUESTIONS
Fill in the following blanks :
60 g of carbon element are .............. moles of carbon atoms.
How many moles are there in 34.5 g of sodium ? (Atomic mass of Na = 23 u)
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
Sodium chloride
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.
Define the term:
Gram atom
Calculate the number of atoms in the following:
52 moles of He
Calculate the number of moles of magnesium present in a magnesium ribbon weighing 12 g. Molar atomic mass of magnesium is 24g mol–1.
Deduce the number of molecules of the following compound in the given quantity.
8.8g carbon dioxide
If 0.2 mol of the following substance is required how many grams of that substance should be taken?
magnesium oxide
