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Q. Determine Molecular Mass of Atoms
Ans: 6.02 x 1023 is a really big number. It would be hard to count that many of any object. That's one of the reasons we count atoms by using mass. (It's also too hard to count the atoms individually -- what a boring job that would be!)
First let's take a look at the problem without using the dreaded word "atom". Let's consider tiny fish-shaped snack crackers. On the box it says that 55 crackers have a mass of 30.0 g. If the fish cracker packaging plant puts out 2387g of fish crackers in one minute, then how many little fish crackers are made per minute?
The quantum number which specifies the location of an electron as well as energy is : (1) Principal quantum number (2) Azimuthal quantum number (3) Spin quantum number
Physical properties of alkyl halides (1) Physical state: Methoxy methane and methoxy ethane are gases whereas other members are volatile liquid along with pleasant smell.
20ml of water sample requires 15ml of 0.1mg/l sodium carbonate using phenolphthalein indicator. state the type of acidity and calculate the acidity
why is the isoelectric point of all amino acids not at ph 7 and what has the ionisable side chains got to do with it?
Nebulisation techniques: The accuracy, precision and detection limits of flame AAS depend on how the analyte sample is introduced into the atomiser. We need to transfer a repr
(a) What is hardness of water? What do you understand by temporary and permanent hardness? OR Explain tempora
1-methylcyclohexene Because 1-methylcyclohexene has dissimilar numbers of alkyl branches at the carbons of its double bond, it gives dissimilar products in the two reactions.
Physical Properties of Oxalic Acid (a) Oxalic Acid is a colourless crystalline solid. It contains two molecules of water as water of crystallisation. (b) The hydrated form h
outline the structure of the isomeric alkyl halides with molecular formula c4h9cl
mass of atom
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