How much water, in liters, must be added to 0.5 L of 6 M HCl to make it 2 M?
a. 0.33
b. 0.5
c. 1
d. 1.5
e. 2

Question

How much water, in liters, must be added to 0.5 L of 6 M HCl to make it 2 M? 
a. 0.33
b. 0.5 
c. 1 
d. 1.5 
e. 2

Accepted Answer

How many liters of 0.2805 M C6H12O6(aq) contain 1.000 g of C6H12O6? a) 0.001557 L	b) 0.01979 L	c) 0.2805 L	d) 3.565 L	e) 50.5 L 2.	If 5.15 g Fe(NO3)3 is dissolved in enough water to make exactly 150.0 mL of solution, what is the molar concentration of nitrate ion? a) 0.00319 M	b) 0.0343 M	c) 0.142 M	d) 0.313 M	e) 0.426 M 3.	What is the mass of sodium iodide in 50.0 mL of 2.63  10-2 M NaI(aq)? a) 0.00132 g	b) 0.00877 g	c) 0.0788 g	d) 0.197 g	e) 78.8 g 4.	If 25.00 mL of 4.50 M NaOH(aq) is diluted with water to a volume of 750.0 mL, what is the molarity of the diluted NaOH(aq)? a) 0.0333 M	b) 0.150 M	c) 0.155 M	d) 6.67 M	e) 1.35 × 103 M 5.	What volume of 0.15 M HCl(aq) must be diluted to make 2.0 L of 0.050 M HCl(aq)? a) 0.015 L	b) 0.10 L	c) 0.30 L	d) 0.67 L	e) 6.0 L 6.	What is the pH of 0.51 M HCl(aq)? a) -0.29	b) 0.29	c) 0.31	d) 0.51	e) 0.67 7.	The pH of an aqueous NaOH solution is 13.17. What is the hydrogen ion concentration of this solution? a) 6.8 × 10-14 M	b) 1.9 × 10-6 M	c) 0.89 M	d) 1.1 M	e) 1. 5 × 1013 M8.	The pH of a vinegar solution is 4.15. What is the H3O+ concentration of the solution? a) 7.1 × 10-5 M	b) 1.6 × 10-2 M	c) 0.62 M	d) 1.4 M	e) 1.4 × 104 M 9.	An aqueous nitric acid solution has a pH of 1.15. What mass of HNO3 is present in 2.0 L of this solution? a) 0.071 g	b) 0.14 g	c) 2.2 g	d) 4.5 g	e) 8.9 g 10.	Iron reacts with hydrochloric acid. Fe(s) + 2 HCl(aq) → FeCl2(aq) + H2(g) What volume of 2.55 M HCl(aq) will react with 35.0 g Fe(s)? a) 0.246 L	b) 0.492 L	c) 1.60 L	d) 3.20 L	e) 27.5 L 11. What volume of 0.200 M Na2SO4(aq) will completely react with 50.0 mL of 0.135 M Ba(NO3)2(aq)? Na2SO4(aq) + Ba(NO3)2(aq) → BaSO4(s) + 2 NaNO3(aq) a) 33.8 mL	b) 67.5 mL	c) 74.1 mL	d) 148 mL	e) 540. mL 12.	A mass of 0.4113 g of an unknown acid, HA, is titrated with NaOH. If the acid reacts with 28.10 mL of 0.1055 M NaOH(aq), what is the molar mass of the acid? a) 2.965 × 10-3 g/mol b) 9.128 g/mol c) 138.7 g/mol d) 337.3 g/mol e) 820.7 g/mol 13.	A 25.00 mL sample of KOH is titrated with 21.83 mL of 0.2120 M HCl(aq). What is the concentration of the KOH solution? a) 0.0006720 M	b) 0.002574 M	c) 0.1851 M	d) 0.2428 M	e) 4.119 M

Subject: Chemistry - Page 323

How much water, in liters, must be added to 0.5 L of 6 M HCl to make it 2 M? a. 0.33 b. 0.5 c. 1 d. 1.5 e. 2

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