If 1 mole of a substance contains particles, how many particles are present in 0.5 moles?
1.505 x 10^23
3.011 x 10^23
6.022 x 10^23
12.044 x 10^23
Related Questions
0.3 g of an oxalate salt was dissolved in 100 mL solution. The solution required 90 mL of for complete oxidation. The % of oxalate ion in salt is:
In which case is the number of molecules of water maximum ?
A gaseous mixture contains oxygen and nitrogen in the ratio of by weight. Therefore, the ratio of their number of molecules is:
1:4
7:32
32:7
4:1
10g of which of the following substances contains the greatest number of atoms?
He
Ne
Number of atoms in 558.5 g of Fe is (at . wt = 55.85)
Twice that in 60 g carbon
Half in 8 gr of He
Which has more molecules: 1 mole of glucose or 18 grams of water?
1 mole of glucose
18 grams of water
Both have the same number of molecules.
Cannot be determined without more information.
Which of the following contains the largest number of atoms?
1 g of
1 g of
1 g of
1 g of
The number of moles in 11.2 L at STP of oxygen
1 mol
0.5 mol
2 mol
0.2 mol
Which gas contains larger number of molecules?
4{\rm{g}}\;{\rm{of}}{\mkern 1mu} \;{\rm{PC}}{{\rm{l}}_5}
