Answer:
Pressure that is exerted by one gas as if it occupied a container by itself.
<span> The atomic number increases by one and the element becomes a different element. </span>
b. Na2HPO4 + NaH2PO4.
A <em>buffer </em>is a solution of a weak acid and its conjugate base. The weak acid is H2PO4^(-) and its conjugate base is HPO4^(2-).
All the other options are incorrect because they consist of only a single component.
Answer:they will out live us himans
Explanation: