Question

the price marked on water bottel isRs 900.the shopkeeper gives 5% discount on it. finout selling price​

Answer 1

Step-by-step explanation:

1 mole nitrogen contains 6.02×10

23

nitrogen molecules.

Thus 14 gram nitrogen will contain 14/28.Na=0.5Na=3.01×10

23

nitrogen molecules. ( Molecular weight of nitrogen is 28)

Answer 2

Step-by-step explanation:

see the attachment above