Answer:
1.13 x 10²⁴formula units
Explanation:
Given parameters:
Number of moles of NH₄Cl = 1.87mol
Unknown:
Number of formula units = ?
Solution:
From mole concept;
1 mole of a substance contains 6.02 x 10²³ formula units
Now;
1.87 moles of NH₄Cl 1.87 x 6.02 x 10²³ = 1.13 x 10²⁴formula units
Hello.
The answer i believe would be sodium.
Have a great day.
C. Diffusion is not a phase change.
i think it’s D , not sure though
Answer:
Explanation:
From the question we are told that:
Initial volume 
Final Volume
Work 
Temperature 
Generally the equation for Ideal gas is mathematically given by
