Chem 1211 Practice Exam 2

Chem 1211 Practice Exam 2 - Exam 2 1. 211.8 mL of 0.193 M...

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1. 211.8 mL of 0.193 M NaNO 3 , 117.2 mL of 0.190 M Na 2 S, and 210.3 mL of 0.268 M Ca(NO 3 ) 2 are mixed in a beaker. Calculate the molar concentration of each ion in the beaker. 2. Enter the oxidation number of each element in this chemical species. BO 3 3- Enter the formula of the chemical compound diboron trioxide in the box below. 3. What type of compound is diboron trioxide? binary ionic binary covalent binary acid acidic salt salt of a ternary acid How many ions are in one formula unit/molecule of diboron trioxide? 4. What is the correct name of this chemical compound? HNO 3 5. What is the correct name of this chemical compound? Ba(ClO 3 ) 2 Enter the chemical formula for lithium dihydrogen arsenate. What is the correct name of this chemical compound? HF(aq) 6. Select the substance(s) from the choose box at right that has the property listed on the left. There is only one correct answer per property, but you may use the same answer more than once. Options for each are: HNO 3 HCN C 6 H 12 O 6 HNO 3 and HCN HNO 3 , HCN and C 6 H 12 O 6 Conducts electricity well in dilute aqueous solutions. Ionizes only slightly in dilute aqueous solutions.
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Chem 1211 Practice Exam 2 - Exam 2 1. 211.8 mL of 0.193 M...

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