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प्रश्न
Calculate the molecular mass of Cl2.
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उत्तर
Molecular mass of Cl2 = 2 × Atomic mass of Cl
= 2 × 35.5 u
= 71 u
संबंधित प्रश्न
Calculate the molecular masses of the following compounds :
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(Atomic masses : H = 1 u ; S = 32 u ; C = 12 u)
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- Calcium chloride
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(Given : Atomic masses : Ca = 40 u ; Cl = 35.5 u ; Na = 23 u ; C = 12 u; O = 16 u)
Define gram molecular mass of a substance. How much is the gram molecular mass of oxygen ?
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\[\ce{C + 2H2SO4 -> CO2 + 2H2O + 2SO2}\]
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Fill in the blank with the correct word from the options given below:
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\[\ce{CaCO3 + 2HCl -> CaCl2 + H2O + CO2}\]
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- How many moles of HCl will react with 5 moles of calcium carbonate?
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