Questions: A solution of MgCl₂ in water could be written as MgCl₂(aq). Besides water, what chemical species would actually be present in the solution? Solution contains water, Mg²+ ions and cl-ions MgO is an ionic compound that is not soluble in water Thi collect as a solid-i. e., MgO(s)-at the ions dissolved in the

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Problem 14ALQ
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Critical Thinking Questions:
species would actually be present in the solution?
12. A solution of MgCl2 in water could be written as MgCl₂(aq). Besides water, what chemical
2+
Solution contains water, Mg²+ ions and cl-ions
13. MgO is an ionic compound that is not soluble in water. This means that it would just
collect as a solid-i. e., MgO(s)-at the bottom of the container. Would there be any
explanation. Record on the report form if you have one.
ions dissolved in the water? Discuss with your team and when all agree, write an
water. Be prepared to share your team's answer with the class.
14. Describe a method by which you could determine if an ionic compound is soluble in
as an electrolyte?
15. Consider Model 4. How is the solubility of an ionic compound related to its classification
16. The following compounds from Model 4 are mixed with water. Add the phase labels (s)
or (aq) to represent whether the compounds are soluble or not:
K₂S
Ca(NO3)2
CA3(PO4)2
17. Suppose that each compound in the table below is placed in water. The phase labels
given describe whether the compound dissolves or not. Fill in the table with the
properties for each compound. Manager: rotate members of your team to give the first
answer.
Compound
HBr(aq)
KOH(aq)
CH₂O(aq)
CA3(PO4)2(S)
Al(OH)3(s)
HOCl(aq)
H₂S(aq)
Fe2O3(S)
Na2S(aq)
CuS
Identification (choose one):
Acid, other molecule, base,
or other ionic compound
- 63 -
Strong, weak, or nonelectrolyte
CA14
Transcribed Image Text:Critical Thinking Questions: species would actually be present in the solution? 12. A solution of MgCl2 in water could be written as MgCl₂(aq). Besides water, what chemical 2+ Solution contains water, Mg²+ ions and cl-ions 13. MgO is an ionic compound that is not soluble in water. This means that it would just collect as a solid-i. e., MgO(s)-at the bottom of the container. Would there be any explanation. Record on the report form if you have one. ions dissolved in the water? Discuss with your team and when all agree, write an water. Be prepared to share your team's answer with the class. 14. Describe a method by which you could determine if an ionic compound is soluble in as an electrolyte? 15. Consider Model 4. How is the solubility of an ionic compound related to its classification 16. The following compounds from Model 4 are mixed with water. Add the phase labels (s) or (aq) to represent whether the compounds are soluble or not: K₂S Ca(NO3)2 CA3(PO4)2 17. Suppose that each compound in the table below is placed in water. The phase labels given describe whether the compound dissolves or not. Fill in the table with the properties for each compound. Manager: rotate members of your team to give the first answer. Compound HBr(aq) KOH(aq) CH₂O(aq) CA3(PO4)2(S) Al(OH)3(s) HOCl(aq) H₂S(aq) Fe2O3(S) Na2S(aq) CuS Identification (choose one): Acid, other molecule, base, or other ionic compound - 63 - Strong, weak, or nonelectrolyte CA14
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