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प्रश्न
Convert into mole.
20 g of water
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उत्तर
18 g of water = 1 mole
Then, 20 g of water = 20/18 mole = 1.11 moles (approx)
संबंधित प्रश्न
Convert into mole.
12 g of oxygen gas
A gas cylinder can hold 1 kg of hydrogen at room temperature and pressure
1) Find the number of moles of hydrogen present.
2) What weight of CO2 can the cylinder hold under similar conditions of temperature and pressure? (H = 1, C = 12, O = 16)
3) If the number of molecules of hydrogen in the cylinder is X, calculate the number of CO2 molecules in the cylinder under the same conditions of temperature and pressure.
4) State the law that helped you to arrive at the above result.
How many moles of calcium carbonate (CaCO3) are present in 10 g of the substance ? (Ca = 40 u ; C = 12 u ; O = 16 u)
Which of the following correctly represents 360 g of water ?
- 2 moles of H2O
- 20 moles of water
- 6.022 × 1023 molecules of water
- 1.2044 × 1025 molecules of water
Define the term.
Molar volume
Explain the term:
Gram atom
Four grams of caustic soda contains ______.
Calculate the number of moles in 1.51 × 1023 molecules of NH4Cl.
How many grams are there in the following?
5 moles of sulphur molecule, S8
Deduce the number of molecules of the following compound in the given quantity.
7.1 g chlorine
