Question

Experimental sucrose solution (final concentration) | Amount of 30% stock sucrose solution needed | Amount of water needed 30% | 5 mL | 0 mL 15% | 2.5 mL | 2.5 mL 3% | 0.5 mL | 4.5 mL 12. Make an additional 200 mL of 15% sucrose solution in Beaker 1 by mixing the 30% stock solution with water. Use the following dilution equation to solve for the necessary amount of stock solution. M1V1 = M2V2 Where: • V1 = Needed volume of stock solution • M1 = Sucrose concentration of stock solution = 30% • V2 = Desired volume of Beaker 1 solution = 200mL • M2 = Sucrose concentration of Beaker 1 solution = 15% After solving for V1, figure out the how much water is needed to bring the total volume in Beaker 1 to 200mL. Record your calculated volume below. mL of water needed = mL of 30% stock sucrose solution needed =

          Experimental sucrose solution (final concentration) | Amount of 30% stock sucrose solution needed | Amount of water needed
30% | 5 mL | 0 mL
15% | 2.5 mL | 2.5 mL
3% | 0.5 mL | 4.5 mL

12. Make an additional 200 mL of 15% sucrose solution in Beaker 1 by mixing the 30% stock solution with water. Use the following dilution equation to solve for the necessary amount of stock solution.

M1V1 = M2V2

Where:
• V1 = Needed volume of stock solution
• M1 = Sucrose concentration of stock solution = 30%
• V2 = Desired volume of Beaker 1 solution = 200mL
• M2 = Sucrose concentration of Beaker 1 solution = 15%

After solving for V1, figure out the how much water is needed to bring the total volume in Beaker 1 to 200mL. Record your calculated volume below.

mL of water needed =
mL of 30% stock sucrose solution needed =

Experimental sucrose solution (final concentration) | Amount of 30% stock sucrose solution needed | Amount of water needed
30% | 5 mL | 0 mL
15% | 2.5 mL | 2.5 mL
3% | 0.5 mL | 4.5 mL

12. Make an additional 200 mL of 15% sucrose solution in Beaker 1 by mixing the 30% stock solution with water. Use the following dilution equation to solve for the necessary amount of stock solution.

M1V1 = M2V2

Where:
• V1 = Needed volume of stock solution
• M1 = Sucrose concentration of stock solution = 30%
• V2 = Desired volume of Beaker 1 solution = 200mL
• M2 = Sucrose concentration of Beaker 1 solution = 15%

After solving for V1, figure out the how much water is needed to bring the total volume in Beaker 1 to 200mL. Record your calculated volume below.

mL of water needed =
mL of 30% stock sucrose solution needed =

Added by Betty M.

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