One mole of CO2 contains:
3 g atoms of CO2
1.8 × 1023 molecules
6.022 × 1023 atoms of O
6.022 × 1023 atoms of C
1 mole CO2 contains NA atoms of carbon
Given below are two statements:Statement I: Mass of 1 mole of oxygen gas is more
NextPercentage of water in hydrated sodium carbonate (Na2CO3·10H2O) 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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