Related Questions
If Avogadro's number were redefined as , which of the following would be directly affected?
The mass of one molecule of oxygen
The ratio of the mass of an oxygen molecule to the mass of an oxygen atom
The mass of one mole of oxygen
The definition of 1 mole
Suppose the Avogadro constant was . How many atoms would be present in 0.5 moles of helium?
The Largest number of molecules is in
36 g of water
28 g of carbon monoxide
46 g of ethyl alcohol
54 g of Nitrogen pentoxide
If Avogadro's number were , what would be the mass of one mole of water (HO)? (Atomic masses: H = 1 u, O = 16 u)
18 g
g
g
Cannot be determined
In which case the number of molecules of water maximum
18 ml of water
0.18 g of water
0.00224 L of water vapour at 1 atm and 273 K
mol of water
0.5 moles of water contains how many molecules?
6.022 x 10Β²Β³ molecules
1.204 x 10Β²β΄ molecules
3.011 x 10Β²Β³ molecules
1.505 x 10Β²Β³ molecules
The total number of electrons in 18 ml of water (density = 1/gml
Which of the following contains the maximum number of water molecules?
18 moles of water
18 molecules of water
18 grams of water
18 g of
Which gas contains larger number of molecules?
4{\rm{g}}\;{\rm{of}}{\mkern 1mu} \;{\rm{PC}}{{\rm{l}}_5}
atoms of an element weights 1.15 g. The atomic mass of the element is
46.0 u
23.0 u
11.5 u
92.0 u
