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Q. Determine Molecular Mass of Atoms Ans: 6.02 x 10 23 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 b
how can we calculate it?
If you have 250 mL of 2 M sodium sulfate diluted to make 0.500 M of sodium sulfate, how would you figure out the volume?
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please help me to do assignment about noble gas.
Q. What are Hexahalides? Hexahalides: S, Se-and Te react with excess of fluorine to give the corresponding hexafluorides. Fluorine being the most electronegative oxidises the
If the density of a substance is 7.99 g/mL. What is the mass of 3.60 mL of this substance?
(a) Explain in terms of ionic equilibria why the aqueous solution of a salt derived from a weak acid and a strong base (e.g. sodium phenolate) has a pH greater than 7. (b) B
In ion estimation why we have to change the oxidation state of the Fe+3 ion. Ans) Because if iron is in +3 oxidation state it will be morestable then we get preferable product. s
Beilstein test or copper wire test - Halogens A clean copper wire is heated in the Bunsen flame till it does not impart any type of green colour to the flame. The heated side
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