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How to make 1N and 1M H2SO4 ?

Now let's see how to make 1 N and 1M  H2SO4 from 98% concentrated H2SO4 . This calculation varies with concentration of H2SO4. Because density varies with concentration of H2SO4 . Now we are having density 1.84 for 98% concentrated H2SO4.  If you are going to use less concentrated H2SO4 then first find out density of it then put that value in below formula instead of 1.84 H2SO4 is liquid, so at first we need to convert H2SO4 molecular weight (gm) into volume (ml) let's use formula density = mass / volume volume = mass of HCl  / density                             98.08 / 1.84 V = 53.30 ml Here we are making 1M and 1N  H2SO4 from 98% concentrated H2SO4. If you are going to use less concentrated H2SO4 then use that percentage value in below formula rather than 98%. Let's use formula  1M H2SO4 (98%) =  53.30 ml [ V ]                100%    ...
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Why sleeping under the tree at night is dangerous ?


Please don't sleep under tree at night. It is quite harmful.



     See, during night you are not able to breathe properly, right?


Do you know why?

This is because during the day, in the presence of sunlight, plants takes in carbon dioxide and release oxygen in the process of photosynthesis.



That is why production of oxygen is more than the production of carbon dioxide during daytime. 

Hence, if we sleep under a tree during daytime, we may get a good amount of oxygen, thus giving us a nice sleep.


However, at night, plants do not perform photosynthesis due to the absence of sunlight. But respiration still goes on. 

Hence, as compared to oxygen, the proportion of carbon dioxide around the trees is more.


Thus, if we sleep under a tree at night, we may feel suffocated due to lack of oxygen.

Moreover, inhalation of excess carbon dioxide is harmful to human beings.


Therefore, it is not good to sleep under a tree at night.

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