Chemistry, asked by aneetadcruz05, 10 hours ago

1. Calculate the number of moles in 25g of Na2CO3.

Answers

Answered by atulkum013

1

Explanation:

Molar mass of Na2CO3=106grams

2.Avagardo number=6.022×10^23

3.Given Mass=25 grams

So, the number of atoms =25×6.022×10^23÷106=1.42×10^22 atoms

Previous Question

Next Question

Similar questions

Math, 5 hours ago

Find the value of: 2 5÷2-6...

Math, 5 hours ago

convert the following to percent . 4/25...

Chemistry, 5 hours ago

Observe your near by sorrounding write any 5 physical and an any five chemical change...

English, 10 hours ago

The title of the poem: The poet: Rhyming scheme Theme/Centrai idea Figure of speech: Special features: Favourite lines: Why I like/don't like poem: ...

Math, 10 hours ago

what is triangle?? class 7...

English, 8 months ago

which of the following is not a verbal communication ...

Chemistry, 8 months ago

process in which a liquid change into vapour without boiling is called help it's urgent...

Physics, 8 months ago

7. Atmospheric pressure at sea level is 76 cm of mercury. Calculate the vertical height of air column exerting the above pressure. Assume the density of air 1.29 kg m-' and that of mercury is 13,600 kg m-? Why is the height calculated by you far less than actual height of atmosphere...