K = 39.09
Mn = 54.93
O = 15.99
KMnO4 = 39.09 + 54.93 + 15.99 x 4 => 157.98 g/mol
hope this helps!
Sand is less dense than gravel and will therefore sink to the bottom of the container while the gravel stays ontop.
That would be telophase 2 of Meiosis
Answer:
No.
Explanation:
No organism can detect X-rays or radio waves
Answer:
Lower the pH slightly
Explanation:
A buffer is defined as the mixture between weak acid and conjugate base. In the problem, acetic acid is the weak acid and sodium acetate the conjugate base.
When a strong acid as perchloric acid is added to a buffer, <em>the pH decreases slightly</em> because the acid reacts with conjugate base producing weak acid and not affecting directly the concentration of H⁺ ions.