Practice question
Question
A 200 mL solution contains 7.3 g of HCl and has a density of 1.02 g/mL. What is its molarity? (Molar mass: HCl = 36.5 g/mol)
Explanation
Moles of HCl = 7.3/36.5 = 0.2 mol. Volume = 0.2 L. Molarity = 0.2/0.2 = 1 M.
Related blogs
Guides and insights connected to this topic
Exploring Mixtures and their Separation Notes - Types of Mixtures, Separation Methods and Solutions
Learn how mixtures are classified as homogeneous or heterogeneous and discover basic separation methods such as filtration, evaporation and distillation.
Plasmolysis: Definition, Types, Forms, Examples and Significance
Learn what plasmolysis is, how it works in plant cells, and why it matters in biology with clear definitions and examples.
Preparation of Buffer
IntroductionA buffer solution is one that resist pH change on addition of acid. This solution are required in many biochemical experim...
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.