20220 - Chemistry Practice Problems #4 1. Calculate the...

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Unformatted text preview: Chemistry Practice Problems #4 1. Calculate the molarity of the following aqueous solutions: (a) 2.72 mol of NaF in 7.18 L of sol'n, (b) 7.1 x 10- 2 mol of Na 2 SO 4 in 65.0 mL of sol'n, (c) In Part (b), what is the molarity of Na + ?, (d) In Part (b), what is the molarity of SO 4 2- ?, (e) 3.121 x 10- 3 mol of C 6 H 12 O 6 in 250.0 mL of sol'n, (f) 0.134 mol of FeNO 3 9H 2 O in 0.333 L of sol'n, (g) 4.25 x 10- 2 mol of KMnO 4 in 27.5 mL of sol'n. 2. Calculate the molarity of the following aqueous solutions: (a) 2.72 g of NaF in 7.18 L of sol'n, (b) 7.1 x 10- 2 g of Na 2 SO 4 in 65.0 mL of sol'n, (c) 3.121 x 10- 3 g of C 6 H 12 O 6 in 250.0 mL of sol'n, (d) 25.0 g of RbBr in 125 mL of sol'n, (e) 11.36 g of CO(NH 2 ) 2 in 800. mL of sol'n, (f) 1.25 kg of CaCO 3 in 5.00 L of sol'n, (g) 0.134 g of NaOH in 0.333 L of sol'n. 3. How would one prepare 1.50 L of the following solutions: (a) 0.250 M KMnO 4 from KMnO 4 ( s ), (b) 0.250 M KMnO 4 from 1.25 M KMnO 4 , (c) 0.100 M HCl from HCl ( g ), (d) 0.100 M HCl from 1.75 M HCl?...
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This note was uploaded on 04/03/2011 for the course CHEM 112 taught by Professor Harwood during the Spring '11 term at Purdue University-West Lafayette.

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20220 - Chemistry Practice Problems #4 1. Calculate the...

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