What is meant by Equivalent weight give me a simple formula to understand it?
Please tell me how to prove that root 2 is an irrational number descriptively step by step.
Give me a trick to easily solve these type of questions like,
*0.5g of oleum is diluted with water.tgis solution is comolcompl neutralised by 26.7ml of 0.4 N NaOH .find the percentage of free SO3 in sample.
I know to solve it but it is very lengthy.
Pls give me step explanation also.
Caffeine has a molecular weight of 194.If it contains 28.9% by mass of Nitrogen, the number of atoms of Nitrogen in one molecule of caffeine is(pls give an explanation for necessary steps)
A drunkard is walking along a straight road.He takes 5 steps forward and 3steps backward followed again by 5 step forward and 3step backward and so on.Each step is 1m and takes 1s .There is a pit on the road 11m away from starting point.The drunkard will fall into the pit after.....ANS:29s(pls give explanation becoz I have already gone through the solution but not able to follow some steps especially why they calculate the time for 6m)