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Q. What do you mean by Rounding off numbers?
Rounding off numbers while you report a calculation your answer should have no more significant figures than the piece of data you used in your computation with the fewest number of significant figures. Therefore if you calculate the density of an object with a mass of 12.33 g in addition to a volume of 19.1 cm3 your answer must have only three significant figures. Though when you divide these quantities using your calculator it will show 0.6455497-lots more figures than you can report in your answer. You must round off the number to three significant figures or 0.646.
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Why lithium and beryllium markedly differ from other members of their respective groups?
What are biamperometric titrations?
Unlike components of the 3 d series, 4 d and 5 d elements have little simple aqueous cationic chemistry. The main exceptions are La3+ and Y3+, and Ag+, which builds some soluble
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How are standard solutions and titrations are prepared in industry?
tie line explain in with the help of phase rule
The order of reaction is the number of moles whose concentrations verify the rate of a reaction at a given temperature
What happens when complex compounds consist of legand?
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