Question

What is the number of electrons which will together weigh one gram *

2 points

(a)1.098 x 10²⁷

(b) 1.078 x 10²⁶

(c) 1.086 x 10²⁵

(d) 0.996 x 10²⁶

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Answer 1

(c) 1.086 x 10²⁵..........

Answer 2

Answer:

a)1.098 x 10²⁷.

Explanation:-

(i) Mass of an electron = 9.1 x 10-28 g

Or

9.1 x 10-28 g contains = 1 electron

Therefore 1g contains = 1/9.1 x 10^-28 *1 = 1.098 x 10^27 electrons.

Hope it helps you✨....

Thanks☸