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What is the difference between 3.0g and ...

What is the difference between 3.0g and 3.00g

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3.0 has two significant figures, where as 3.00 has three significant figures. 3.00 is more precise than 3.0.
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PATHFINDER-BASICS IN CHEMISTRY-QUESTION BANK
  1. State the number of significant figures in the following 62.4

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  2. State the number of significant figures in the following 0.0405

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  3. What is the difference between 3.0g and 3.00g

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  4. The population of India based on 1981 census figure was 684 millions. ...

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  7. Calculate the mass of 2.5 gram atom of magnesium.

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  8. How many gram molecules are present in 4.9g of H2SO4?

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  9. Why do we regard the gaseous state of water as vapours while that ammo...

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  10. An element has fractional atomic mass. What does this indicate?

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  11. When 4.2 g NaHCO3 is added to a solution of CH3COOH, weighing 10 g, it...

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  12. Copper sulphate crystals contain 25.45% Cu and 36.07% H2O. If law of c...

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  13. 10 ml of H2 contain 2000 molecules under certain temperature and press...

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  14. One volume of hydrogen combines with sulphur to produce one volume of ...

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  15. A flask P contains 0.5 mole of oxygen gas. Another flask Q contains 0....

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  16. From 200mg of CO2, 10^21 molecules are removed. How many moles of CO2 ...

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  17. How many molecules of CO2 are present in one litre of air containing 0...

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  19. Copper gives two oxides. On heating one gram of each in hydrogen, we g...

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  20. The average atomic mass of copper is 63.5u. It exists as two isotopes ...

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