Can you please translate it to english?
Mass per volume percent is simply calculated by getting the ratio of the mass in g of solute and the volume in mL of the solution multiplied by 100 percent. In the problem, we are given all the required values. Calculation is as follows:
%w/v = 140 / 1590 x 100 = 8.81%
Answer:
Exothermic reaction
Explanation:
Since in an exothermic reaction heat is released, the products will be more stable than the reactants.
4.2 hours, do 315 miles / 75 miles per hour
Answer:
C more collision between molecules
Explanation:
increase in heat causes increase in kinetic energy of the particles
