Science, asked by damrtgmailcom4602, 8 months ago

Difference between molecular formula and molecular weight

Answers

Answered by singhanishika46

Answer:

I HOPE IT HELPED IT YOU

Explanation:

The formula mass (formula weight) of a molecule is the sum of the atomic weights of the atoms in its empirical formula. The molecular mass (molecular weight) of a molecule is its average mass as calculated by adding together the atomic weights of the atoms in the molecular formula.

Answered by bhartibenani

Answer:

A convex lens is a converging lens. When parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus. The distance between the principal focus and the centre of the lens is called the focal length.

Concave lenses are thinner at the middle. Rays of light that pass through the lens are spread out (they diverge). A concave lens is a diverging lens.

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