Practice question
Question
What is the mass percentage of a solution prepared by dissolving 40 g of salt in 160 g of water?
Explanation
Total mass = 40 + 160 = 200 g . Mass % = (40/200) × 100 = 20% .
We use cookies to improve your experience and understand how Examtube is used. You can accept analytics cookies or continue with essential cookies only.
Privacy policyMCQ
Question
Guides and insights connected to this topic
Learn how mixtures are classified as homogeneous or heterogeneous and discover basic separation methods such as filtration, evaporation and distillation.
Explore early attempts to classify elements, covering Dobereiner’s triads, Newlands’ law of octaves and Mendeleev’s table with examples and key details.
Learn what plasmolysis is, how it works in plant cells, and why it matters in biology with clear definitions and examples.
This page is supported by advertisements. An ad blocker is stopping those ads from loading, so we cannot show the rest of the page yet. Pause the blocker for this site, then continue. We will check again automatically.
You can keep using this site after advertisements are allowed to load.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.