Answer:
The mass percent of alcohol in a solution is 19.8 %
Explanation:
First of all we calculate the mass of each compound from the solution.
Solute → Ethyl alcohol
Solvent → Water
To determine the mass, we use density
Density = mass / volume → Mass = Density . volume
Mass of solute: 0.8 g/mL . 62 mL = 49.6 g
Mass of solvent: 1 g/mL . 200 mL = 200 g
Mass of solution = Solvent's mass + Solute 's mass
200 g + 49.6 g = 249.6 g
Mass percent of alcohol → (mass of alcohol / Total mass) . 100
(49.6 g / 249.6 g) . 100 = 19.8 %
Answer: drinking, bathing.
Explanation:
Hey!
I would say the answer is A. Plow the soil many times to lessen the chance of the topsoil being blown away.
Hope this helps !
Answ burh i dont even know
Explanation: i dont even know this
Answer:
A. Potassium phosphate: K3PO4
B. Copper (II) sulfate: CuSO4
C. Calcium chloride: CaCl2
D. Titanium dioxide: TiO2
E. Ammonium nitrate: NH4NO3
F. Sodium bisulfate: NaHSO4
Explanation:
All are ionic salts with different valent (mono valent cation or poly valent cation and anions) ions.