Chemistry, asked by ranihasina, 1 year ago

20g of a magnesium carbonate sample decomposes on heating to give CO2 and 8g of MgO what will be the percentage purity of MgCO3 in the sample?

Answers

Answered by zak18

1

40%as mgo is 8 gram and 8/20×100=40%

Previous Question

Next Question

Similar questions

English, 7 months ago

we do skating on ........

Hindi, 7 months ago

loktantra se aap kya samajhte hai...

Physics, 7 months ago

distinguish between emf and terminal voltage three points...

Science, 1 year ago

please tell extra questions for Sciencespark book for class 7 ch 1,2and 14 please answer fast as tomorrow is my exam...

Physics, 1 year ago

What is the role of gas between two sections of rail tracks ?These gaps would make the ride rougher and could be dangerous .Can you offer a solution that would do away with the gaps?

Physics, 1 year ago

Define displacement and uniform velocity. Show that area under velocity time graph of a paricle in uniform motion gives the displacement of the particle in a given time?

Social Sciences, 1 year ago

what are multi Speciality hospitals in large cities...

Math, 1 year ago

The angle of elevation of a top of a tower as observed from a point in a horizontal plane through the foot of the tower is 32*. When the observer moves towards the tower a distance of 100m, he finds the angle of elevation of the top to be 63*. Find the height of the tower and the distance of the first position from the tower (take tan32*=0.6248 and tan63*=1.9626)...