👤
Prissypogo
Answered

Be sure to answer all parts. How many moles of water contain each of the following number of molecules?

Report your answer using appropriate number of significant figures.

a. 9.52 x 1026 molecules
_____ mol

b. 7.81 x 1022 molecules
_____mol

c. 2.5 % 1023 molecules
_____ mol​

Answer :

Ziimmiigo

Answer:

1.520

1.333

15.899

Explanation:

its very easy

Indrawboygo

N = n x No

No = avogadro's number = 6.02 x 10²³

n = mol

a. 9.52 x 10²⁶ : 6.02 x 10²³ = 1.58 x 10³ (3 sig figs)

b. 7.81 x 10²² : 6.02 x 10²³ = 1.30 x 10⁻¹ = 0.130 (3 sig figs)

c. 2.5 x 10²³ : 6.02 x 10²³ = 0.42 (2 sig figs)

Go Teaching: Other Questions