Chemistry, asked by dikshabhardwaj224, 2 months ago

what is the molecular mass of a compound X if its 3.0115×10^9 molecules weight 1×10^-12 g​

Answers

Answered by KookieeLove
39

Answer:

One mole of substance contains 6.023×1023 particles.

In CO2, Molecular mass =44g=1mole

Given : 3.0115×1023 particles present in CO2

∴ Number of moles in 3,0115×1023 particles of CO2,

=6.023×10233.0115×1023=0.5

Answered by vminjkjinrmsugahope
13

the answer is 200 g

step-by-step explanation

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

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