Chemistry Part 1: Reactions & Stoichiometry

An interactive quiz on the foundational concepts of chemistry.

Problem 1: Mass from Moles

Easy
StoichiometryMolar MassMole Concept

What is the mass in grams of 2.5 moles of calcium carbonate (CaCO₃)? (Atomic masses: Ca=40.1 u, C=12.0 u, O=16.0 u)

A

100.1 g

B

250.25 g

C

40.0 g

D

6.022 x 10²³ g