Chemistry Class 11 NCERT Solutions: Chapter 1 Some Basic Concepts of Chemistry Part 9
Q: 25. How are
Molar mass of
Hence, 0.50 mol of is present in of water or of is present in 1 L of water.
Q: 26. If ten volumes of dihydrogen gas react with five volumes of Dioxygen gas, how many volumes of water vapour would be produced?
Reaction of dihydrogen with Dioxygen can be written as:
According to Gay Lussac’s law of gaseous volumes, 2 volume of dihydrogen react with 1 volume of O2O2 to produce 2 volume of water vapour. Therefore, 10 volume of dihydrogen on reaction with 5 volume of dioxygen will produce 10 volume of water vapour.
Q: 27. Convert the following into basic units:
Q: 28 Which one of the following will have largest number of atoms?
Hence, will have the largest number of atoms.