Chapter 6 - Part 2

What quantity in moles of NaOH are there in 78.3 mL of 0.300 M NaOH?

0.0235 mol

How many moles of HCl are there in 75.0 mL of 0.375 M HCl?

0.0281 mol

How many moles of CH₃OH are there in 84.2 mL of 0.400 M CH₃OH?

0.0337 mol

What quantity in moles of NaI are there in 175.0 mL of 0.400 M NaL?

0.0700 mol

100.0 mL of a 0.660 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the solution?

0.132 M

400.0 mL of a 0.370 M solution of NaCl is diluted to 900.0 mL. What is the new concentration of the solution?

0.164 M

If 15.0 g of KBr (MM = 119.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of KBr in the resulting solution?

0.252 M

What volume in L of a 0.724 M NaI solution contains 0.405 mol of NaI?

0.405 mol NaI x (1 L / 0.724 mol NaI) = 0.559 L

If 0.122 moles of NaCl are dissolved in a 250.0 mL solution, what is the concentration of the NaCl solution?

0.488 M

What is the number of moles of glucose (C₆H₁₂O₆) in 0.500 L of a 0.40 M solution?

0.500 L x (0.40 mol (C₆H₁₂O₆) / 1 L) = 0.20 mol (C₆H₁₂O₆)

If 40.0 g of NaI (MM = 149.89 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of NaI in the resulting solution?

0.534 M

What is the concentration of a solution made with 0.365 moles of KOH in 400.0 mL of solution?

0.913 M

What is the molarity of a solution that contains 0.320 moles KOH in 0.350 L of solution?

0.914 M

What volume in L of a 032 M Mg(NO3)2 solution contains 45 g of Mg(NO3)2?

0.95 L

To what volume (in mL) would you need to dilute 45.0 mL of a 1.20 M solution of NaBr to make a 0.0415 M solution of NaBr?

1.30 x 10^3 mL

What is the mass in grams of NaCN in 120.0 mL of a 2.40 x 10^-5 M solution?

120.0 mL x (1 L / 1000 mL) x (2.40x10^-5 mol NaCN / 1 L) x (49.01 g NaCN / 1 mol NaCN) = 1.41 x 10^-4 g NaCN

If 41.0 g of NaOH (MM = 40.00 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of NaOH in the resulting solution?

2.05 M

If 49.5 g of CH₃OH (MM = 32.04 g/mol) are added to a 500.0 mL volumetric flask, and water is added to fill the flask, what is the concentration of CH₃OH in the resulting solution?

3.09 M

How many mL of 0.600 M LiCl would be required to make a 0.0765 M solution of LiCl when diluted to 300.0 mL with water?

38.3 mL

To what volume (in mL) would you need to dilute 35.0 mL of a 1.30 solution of KBr to make a 0.0790 M solution of KBr?

576 mL

How many mL of 0.300 M NaF would be required to make a 0.0815 M solution of NaF when diluted to 250.0 mL with water?

67.9 mL

What volume in mL of 0.220 M HBr solution is required to produce 0.0160 moles of HBr?

72.7 mL

How many mL of 0.300 M NaCl solution are required to produce 0.230 moles of NaCl?

757 mL

To what volume would you need to dilute 20.0 mL of a 1.40 M solution of LiCN to make a 0.0385 M solution of LiCN?

757 mL

How many mL of 0.100 M NaCl would be required to make a 0.0565 M solution of NaCl when diluted to 150.0 mL with water?

84.8 mL