Question

आकाश में उड़ते पक्षि अच्छे लगा रहे है | इस व्यकय में कौनस पदबंध प्रयोगों हुआ है​

Answer 1

Explanation:

The molecular mass is the mass of a given molecule: it is measured in daltons. Different molecules of the same compound may have different molecular masses because they contain different isotopes of an element.