Advertisements
Advertisements
प्रश्न
1 mole of any substance contains ______ molecules.
पर्याय
6.023 × 1023
6.023 × 10-23
3.0115 × 1023
12.046 × 1023
Advertisements
उत्तर
1 mole of any substance contains 6.023 × 1023 molecules.
APPEARS IN
संबंधित प्रश्न
Calculate the molar mass of the following substance:
Sulphur molecule, S8
If the aluminium salt of an anion X is Al2X3, what is the valency of X ? What will be the formula of the magnesium salt of X ?
What is the mass of 5 moles of sodium carbonate (Na2CO3) ?
(Atomic masses : Na = 23 u ; C = 12 u ; O = 16 u)
Deduce the number of molecules of the following compound in the given quantity.
32g oxygen
Define the term.
Molar volume
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?
- What volume, at STP, is occupied by the number of moles determined in (a)?
- If the relative molecular mass of carbon dioxide is 44, what is the mass of carbon dioxide produced by burning moles of octane?
- What is the empirical formula of octane?
Calculate the number of moles of CO2 which contain 8.00 g of O2
Calculate the mass of 0.1 mole of the following:
Na2SO4.10H2O
(Ca = 40, Na = 23, Mg = 24, S = 32, C = 12, Cl = 35.5, O = 16, H = 1)
Cost of Sugar (C12H22 O11) is Rs 40 per kg; calculate its cost per mole.
Deduce the number of molecules of the following compound in the given quantity.
90g water
