Answer:
Tile 52 and three are incorrect
Explanation:
Answer:
I think the answer is B. the number of students choosing each color.
Explanation:
Answer:
3 moles of
is needed for
to be fully consumed.
Explanation:
For the balanced equation:
⇒ 
First, find the moles of Na corresponding to the 69g used the general definition of mol:

We observe that the equation is balanced and the stoichiometric ratio between them is 1: 1.
According to this, one mole of Na will react with one mole of Cl.
3 moles of
is needed for
to be fully consumed.
Answer:
Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one equalizing the concentrations on each side of the membrane.
Explanation:
The answer is 1.88·10^-3 mg.