Hello.
<span>HI + NaOH --> NaI + H2O
2HClO4 + Sr(OH)2 --> Sr(ClO4)2 + 2H2O
</span>
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The answer is
D. I and II only
Diffusion if the movement of small molecules across the cell membrane.
Kinetic energy of the molecules results in random motion, causing diffusion.
