Question

15. The molecular mass of a compound (x) if its
3.0115 x 10 molecules weigh 1.0 x 10-2 gis
a. 150 g
b.200 g
c. 630 g
d. 500 g​

Answer 1

the answer is 200 g

moles of x = (3.0115 * 10^19)÷

(6.023 * 10^23)

= 1 by 2 * 10^-4

now

=>1 by 2 * 10^-4mole = 1 * 10^-2g

=> 1 mole = 2 * 10^ -2 * 10^4

. = 200g

plz mark it the brainliest

Answer 2

Answer:

200 amu is the answer..

hope it helps