# Problem: Which quantity or quantities must always be the same on both sides of a chemical equation? Check all that apply.a. the number of molecules of each kindb. the sum of the masses of all substances involvedc. the number of moles of each kind of moleculed. the number of atoms of each kind

🤓 Based on our data, we think this question is relevant for Professor Finnegan's class at WSU.

###### FREE Expert Solution
• For this problem, let's use this hypothetical equation as a guide: 2A + B→ 2AB

• Analyzing the choices:

• a. the number of molecules of each kind (False since we are forming a different kind of molecule in the product side compared to the reactant) ###### Problem Details

Which quantity or quantities must always be the same on both sides of a chemical equation? Check all that apply.

a. the number of molecules of each kind

b. the sum of the masses of all substances involved

c. the number of moles of each kind of molecule

d. the number of atoms of each kind

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Atomic Theory concept. You can view video lessons to learn Atomic Theory. Or if you need more Atomic Theory practice, you can also practice Atomic Theory practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofWhich quantity or quantities must always be the same on both...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 2 minutes and 23 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Finnegan's class at WSU.