Mass of one molecule of methane (CH4) is:
16 NA u
Mass of one molecule of CH4
= (12 + 1 × 4) u
= 16 u
The statement which correctly represents Avogadro’s hypothesis is:
Next8 g NaOH is dissolved in one litre of solution, its molarity is:
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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