Answer:
112 mL
Explanation:
The formula for percent by volume is

If you have 250 mL of a solution that is 44.8 % v/v,

I'd go for D here. It also fits in with the idea of thermal expansion - as something is heated up, molecules vibrate and maybe collide. they vibrate with bigger amplitudes, so taking up more space, so expanding. maybe
Answer:
2
Explanation:
Pb(NO3)2 + 2NaI 2NaNO3 + PbI2
Answer:
We need blood cholesterol because our body uses it to build your structure of cell membranes, make hormones like oestrogen, and testosterone, and to help your metabolism work well.
I hope this helps you alot and to my understanding:)