No. of atoms in 80 g oxygen gas = × NA ×2 = 5NA
No. of atoms in 5 g hydrogen gas = × NA ×2 = 5NA
Common salt obtained from sea-water contains 95% NaCl by mass. The approximate n
NextMatch List I with List II A.
The total number of electrons present in one molecule of methane is;
MediumThe number of moles of nitrogen atoms present in 112 g of N2 is: [Atomic mass of N = 14 amu]
MediumWhat will be the vapour density of P2O5 ?[Atomic mass of P = 31 amu and O = 16 amu]
MediumThe volume occupied by 20 g of hydrogen gas at STP, is ____L [Molar volume of gas at STP is 22.4 L]
MediumHow many grams of silicon are present in 35- gram atoms of silicon (Given at. wt. of Si = 28)?
Easy112.0 mL of NO2 at STP was liquefied, the density of the liquid being 1.15 g mL−1. Calculate the num
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