Write down the formulae of (i) sodium oxide (ii) aluminium chloride (iii) sodium sulphide (iv) magnesium hydroxide

Asked by Last Modified  

2 Answers

Learn Intext Exercise 3.3

Follow 2
Answer

Please enter your answer

(i) Sodium oxide →Na2O (ii) Aluminium chloride → AlCl3 (iii) Sodium sulphide → Na2S (iv) Magnesium hydroxide → Mg(OH)2
Comments

In the given reaction, sodium carbonate reacts with ethanoic acid to produce sodium ethanoate, carbon dioxide, and water. Mass of sodium carbonate = 5.3 g (Given) Mass of ethanoic acid = 6 g (Given) Mass of sodium ethanoate = 8.2 g (Given) Mass of carbon dioxide = 2.2 g (Given) Mass of water = 0.9 g...
read more
In the given reaction, sodium carbonate reacts with ethanoic acid to produce sodium ethanoate, carbon dioxide, and water. Mass of sodium carbonate = 5.3 g (Given) Mass of ethanoic acid = 6 g (Given) Mass of sodium ethanoate = 8.2 g (Given) Mass of carbon dioxide = 2.2 g (Given) Mass of water = 0.9 g (Given) Now, total mass before the reaction = (5.3 + 6) g = 11.3 g And, total mass after the reaction = (8.2 + 2.2 + 0.9) g = 11.3 g ∴Total mass before the reaction = Total mass after the reaction Hence, the given observations are in agreement with the law of conservation of mass. read less
Comments

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Recommended Articles

With the current trend of the world going digital, electronic renaissance is a new movement that is welcomed by the new generation as it helps makes the lives of millions of people easier and convenient. Along with this rapidly changing movement and gaining popularity of Internet, e-Learning is a new tool that emerging...

Read full article >

Quality education does not only help children to get a successful career and life, but it also hugely contributes to society. The formal education of every child starts from school. Although there are numerous schools, parents find it challenging to choose the right one that would fit their child. It is difficult for them...

Read full article >

Once over with the tenth board exams, a heavy percentage of students remain confused between the three academic streams they have to choose from - science, arts or commerce. Some are confident enough to take a call on this much in advance. But there is no worry if as a student you take time to make choice between - science,...

Read full article >

E-learning is not just about delivering lessons online. It has a much broader scope that goes beyond manual paper or PowerPoint Presentations. To understand the reach of E-learning and how the whole process works in developing the Educational system, we will discuss a few points here. Let us find out how this new learning...

Read full article >

Looking for Class 9 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you