It has a higher boiling point and a lower freezing point
When you change the surface area of the reactants, we do increase the rate of the reaction. The surface of the reactant will have a higher chance to collide with a solid reactant. For example, atoms and molecules have to collide with each other.
I really hope I could help, sorry if I'm wrong! :)
16.4g of solute is present in 500mL of the solution.
<u>Explanation:</u>
Given:
Volume of solution, V = 500mL = 0.5L
Molarity of Sodium phosphate, M = 0.2M
Molecular weight of Na₃PO₄ = 164 g/mol
Mass of the solute, m = ?
We know:
And
Number of moles =
On substituting the value we get:
Therefore, 16.4g of solute is present in 500mL of the solution.
Answer:
The right answer is V = 17.2 mL
Explanation:
- Knowing that the the relation between No. of moles and concentration:
No. of moles = C * V
where,
C is the concentration in morality and
V is the volume in liter
so you can calculate the volume using:
V = (No. of moles / C) = (0.0131 mol / 0.763 mol/L)
V = 0.0172 L
- Then yo need to convert the volume from Liter to milliliter
V = 0.0172 L * (1000 mL / 1 L)
V = 17.2 mL
So, the right answer is V = 17.2 mL
For moles to grams would be the mole which is 7.9*10^-1 times the molar mass of argon