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10.1g of HCl is mixed with 6.3g of NaHCO...

10.1g of HCl is mixed with 6.3g of `NaHCO_(3)`. Calculate the mass of `CO_(2)` released if the residual mixture is found to weigh 12.1 g.

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Reaction: ltBrgt According to the law of conservation of mass, mass of
`(HCl+NaHCO_(3))=` mass of `(NaCl+H_(2)O+CO_(2))`
or, `(10.1+6.3)g`=mass of `(NaCl+H_(2)O+CO_(2))`
or, 16.4g=12.1g+mass of `CO_(2)` `therefore` mass of `CO_(2)=4.3g`
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CHHAYA PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-WARM UP EXERCISE
  1. Is the converse of the law of definite proportions always correct? Exp...

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  2. State gay-lussac's law of gaseous volumes.

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  3. 10.1g of HCl is mixed with 6.3g of NaHCO(3). Calculate the mass of CO(...

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  4. According to Dalton's theory, 'during chemical combination, atoms of d...

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  5. Define an atom in view of Dalton's atomic theory.

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  6. Which postulate of Dalton's atomic theory is more or less valid even t...

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  7. Mention of limitations of Dalton's atomic theory.

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  8. What are Daltonide compounds and Berthollide compounds?

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  9. Mention a compound where the constituents atoms are not present in a s...

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  10. How do the discoveries of isotopes and isobars modify Dalton's atomic ...

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  11. State the converse statement of Avogadro's hypothesis and indicate its...

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  12. What are elementary molecules and compound molecules? Give examples?

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  13. Apply Avogadro's hypothesis to establish gay-lussac's law of gaseous v...

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  14. Write modified form of Dalton's atomic theory on the basis of Avogadro...

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  15. It is proper to consider Avogadro's hypothesis as a law? Explain.

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  16. Define a molecule on the basis of Avogadro's hypothesis.

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  17. Define atomic mass according to modern scale.

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  18. What was the reason for selecting oxygen, instead of hydrogen, as the ...

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  19. What is atomic mass unit?

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  20. Mention actual mass of a ""^(12)C-atom.

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