Understanding the Law of Multiple Proportions

In summary, the law of multiple proportions states that if two elements can combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element are in the ratio of small whole numbers. This means that atoms can only combine in whole numbers, such as 1, 2, or 3 atoms. However, sometimes the ratios can be a little tricky, as seen in the compound Fe2O3 where the ratio of Fe to O is 1:1.5 but should be expressed as 2:3.
  • #1
babita
61
0
Law of multiple proportions states that "if two elements can combine to form more than one compound, the masses of one element that combine with a fixed mass of the other element, are in the ratio of small whole numbers"
I was thinking how it makes sense. and i concluded this just simply means that atoms can only combine in whole no.s i.e 1/2 of a atom does not combine...1,2,3 atoms will.
am i thinking right?


 
Physics news on Phys.org
  • #2
I think you're right. Sometimes the ratios are a little tricky. How about Fe2O3? Ratio of Fe to O is 1:1.5 but should be expressed as 2:3.
 

1. What is the Law of Multiple Proportions?

The Law of Multiple Proportions is a principle in chemistry that states that when two elements combine to form different compounds, the ratio of the masses of one element that combines with a fixed mass of the other element can be expressed in small whole numbers.

2. Who first discovered the Law of Multiple Proportions?

The Law of Multiple Proportions was first discovered by the English chemist John Dalton in the early 19th century.

3. How does the Law of Multiple Proportions relate to the atomic theory?

The Law of Multiple Proportions supports the atomic theory by providing evidence that elements are made up of tiny, indivisible particles (atoms) and that these atoms combine in fixed ratios to form compounds.

4. Can the Law of Multiple Proportions be applied to all elements and compounds?

Yes, the Law of Multiple Proportions applies to all elements and compounds, as long as they can be measured in whole number ratios.

5. What are some real-life applications of the Law of Multiple Proportions?

The Law of Multiple Proportions is used in various fields such as pharmaceuticals, materials science, and environmental studies. It helps scientists understand the composition and properties of different compounds and how they react with each other.

Similar threads

Problem about the law of multiple proportions (includes solution)
    • Biology and Chemistry Homework Help
Replies
12
Views
20K
Chemistry How do we know ##BF_3## has Lewis structure but ##Al_2S_3## does not?
    • Biology and Chemistry Homework Help
Replies
1
Views
618
Law of Multiple Proportions practice work
    • Biology and Chemistry Homework Help
Replies
10
Views
2K
B What is the link between proportion and multiplication?
    • General Math
Replies
3
Views
1K
Chemistry Finding the molecular formula of an unknown hydrocarbon
    • Biology and Chemistry Homework Help
Replies
4
Views
1K
Law of multiple proportions (need method check please)
    • Biology and Chemistry Homework Help
Replies
8
Views
2K
Is this a law of multiple/definite proportions?
    • Biology and Chemistry Homework Help
Replies
2
Views
1K
B How and why can multiplication combine physical quantities?
    • Classical Physics
Replies
8
Views
1K
Radioactivity and the Periodic Table
    • Chemistry
Replies
24
Views
2K
Doubts regarding basic chemistry concepts
    • Chemistry
Replies
4
Views
1K

Hot Threads

Recent Insights

Back
Top