Two hydrogen and two oxygen multiply for two
Answer:
you can identify the properties of an element by studying its_____ on the ... between metals and nonmetals on the periodic table are the _____ which have ...
Explanation:
Eyepiece, finder-scope, optical tube, aperture, focuser, and mount
Answer:
an organ system Is a group of organs that work together to perform a com
Explanation:
that is the answer organ system
now plz give me 5 stars and press on the heart plz
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.