Answer:
C. AB + XY--> AY + BX
Explanation:
In a double replacement reaction occurs a new combination of the species present in the reactants
If the solute is properly distributed in the given volume, there are 2.642 g of (NH4)2SO4 per 10 mL. For the new solution, divide the 2.642 g by the molar mass of the compound. The answer is 0.02 moles. Then, divide this by the new volume, 50 mL or 0.05 L. The concentration of the new solution is 0.4 M.
19685 because 1 km in inches is 39370 approximately so you just have to cut it in half
A.) desertification is when you remove all the trees and most of the plant life in an ares