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प्रश्न
What is the mass of 10 moles of sodium sulphite (Na2SO3)?
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उत्तर
The mass of 10 moles of sodium sulphite (Na2SO3) is
= 10 × [2 × 23 + 32 + 3 × 16] g
= 10 × 126 g
= 1260 g
संबंधित प्रश्न
Convert into mole.
12 g of oxygen gas
Convert into mole.
22 g of carbon dioxide
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.
The ratio of moles of atoms in 12 g of magnesium and 16 g of sulphur will be :
A sample of ammonium nitrate when heated yields 8.96 litres of steam (measured at STP)
NH4NO3 → N2O + 2H2O
Determine the percentage of oxygen in the ammonium nitrate?
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)
Calculate the mass of 0.1 mole of the following:
CaCl2
(Ca = 40, Na=23, Mg =24, S=32, C = 12, Cl = 35.5, O=16, H=1)
Calculate the number of atoms in the following:
52 g of He
Four grams of caustic soda contains ______.
Calculate the number of moles in 27g of Al.
