Mole ratios for a reaction are obtained from the *

A. chemical symbols
B. Molar mass
C. Coefficients
D. Subscripts

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride