Question
1 mole of carbon atoms = ______ g of carbon atoms
Solution
The value of the mole is equal to the number of atoms in exactly 12 grams of pure carbon-12. 12.00 g C-12 = 1 mol C-12 atoms = 6.022 × 1023 atoms. The number of particles in 1 mole is called Avogadro's Number.
From standard pack of 52 cards, 3 cards are drawn at random without replacement. The probability of drawing a king, a queen and a jack in order is
Fundamental principles of design of experiment are
(I) Randomization
(II) Replication
(III) Local control
Which option is correct?
The arithmetic mean of the following frequency distribution of number of members in family in the society
               X:  ...
The prices (in Rs.) for the commodity ABC,XYZ, MNO, and IJK in base year (2020) are 20, 18, 12, 24 and in current year (2022) are 25, 22, 15, 28 respec...
These seventh decile (D7) of data set 4, 3, 10, 9, 1 is
Recession in industry is associated with the:
For making frequency distribution, the number of classes used depends upon:
