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How many Ca^(2+) and Cl^(-) ions are pre...

How many `Ca^(2+)` and `Cl^(-)` ions are present in one mole of `CaCl_2`?

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To determine how many \( \text{Ca}^{2+} \) and \( \text{Cl}^{-} \) ions are present in one mole of \( \text{CaCl}_2 \), we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Composition of Calcium Chloride**: - Calcium chloride (\( \text{CaCl}_2 \)) consists of one calcium ion (\( \text{Ca}^{2+} \)) and two chloride ions (\( \text{Cl}^{-} \)). 2. **Understand the Concept of Moles**: ...
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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -VERY SHORT ANSWER TYPE QUESTIONS
  1. Name a compound whose empirical formula and molecular formula are equa...

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  2. How many gram atoms and gram molecules are present in 64.0 g of oxygen...

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  3. How many Ca^(2+) and Cl^(-) ions are present in one mole of CaCl2?

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  4. Is the following equation balanced ? C(2)H(5)OH + 2O(2) to 2CO(2) + ...

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  5. Define the term molarity.

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  6. What is the value of Avogadro's Number ?

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  7. What is the difference between the empirical formula and molecular for...

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  8. Why are atomic masses regarded as relative masses?

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  9. During the formation of HCI from H2 and Cl2, two moles of hydrogen and...

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  10. Is the law of conservation of mass valid for nuclear reactions ?

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  11. State : Avogadro's law

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  12. How much would one amu weigh in grams ?

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  13. Can an element have variable equivalent masses ?

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  14. Can a less electropositive metal displace more electropositive metal f...

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  15. What do you understand by a double decomposition reaction?

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  16. What is meant by electrochemical equivalent of a substance?

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  17. How would you calculate the equivalent mass of a salt ?

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  18. Define gram equivalent mass.

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  19. Why is molality of a solution independent of temperature ?

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  20. Define the terms: (i) Molarity (ii) Molality (iii) Normality (iv) Mo...

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