Question

B. Absorbance for the Set of Test Solutions Molar concentration of Fe(NO?)? 0.002 M Molar concentration of NaSCN 0.002 M Test Solutions 6 7 8 9 10 B.1. Volume of Fe(NO?)? (mL) 5.0 mL 5.0 mL 5.0 mL 5.0 mL 5.0 mL B.2. Moles of Fe³?, initial (mol) B.3. Volume of NaSCN (mL) B.4. Moles of SCN?, initial (mol) B.5. Percent transmittance, %T (for meter readings only) B.6. Absorbance, A 0.099 0.249 0.385 0.481 0.565 *Calculation for Test Solution 6.

          B. Absorbance for the Set of Test Solutions
Molar concentration of Fe(NO?)? 0.002 M
Molar concentration of NaSCN 0.002 M
Test Solutions
6	7	8	9	10
B.1. Volume of Fe(NO?)? (mL)	5.0 mL	5.0 mL	5.0 mL	5.0 mL	5.0 mL
B.2. Moles of Fe³?, initial (mol)
B.3. Volume of NaSCN (mL)
B.4. Moles of SCN?, initial (mol)
B.5. Percent transmittance, %T
(for meter readings only)
B.6. Absorbance, A	0.099	0.249	0.385	0.481	0.565
*Calculation for Test Solution 6.

B. Absorbance for the Set of Test Solutions
Molar concentration of Fe(NO?)? 0.002 M
Molar concentration of NaSCN 0.002 M
Test Solutions
6 7 8 9 10
B.1. Volume of Fe(NO?)? (mL) 5.0 mL 5.0 mL 5.0 mL 5.0 mL 5.0 mL
B.2. Moles of Fe³?, initial (mol)
B.3. Volume of NaSCN (mL)
B.4. Moles of SCN?, initial (mol)
B.5. Percent transmittance, %T
(for meter readings only)
B.6. Absorbance, A 0.099 0.249 0.385 0.481 0.565
*Calculation for Test Solution 6.

Added by John D.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

06/18/2022

Step 1

Given: - Molar concentration of Fe(NO3)2: 0.002 M - Volume of Fe(NO3)2: 5.0 mL To calculate the moles of Fe(NO3)2, we can use the formula: moles = molar concentration * volume moles of Fe(NO3)2 = 0.002 M * 5.0 mL Show more…

Show all steps

Thanks for your feedback!

Texts: Volume of NaSCN 6 = 1.0 mL, 7 = 2.0 mL, 8 = 3.0 mL, 9 = 4.0 mL, 10 = 5.0 mL B. Absorbance for the Set of Test Solutions. Molar concentration of FeNO3: 0.002 M. Test Solutions 6 B.1. Volume of Fe(NO3)2: 5.0 mL. B.2. Moles of Fe: initial mol. B.3. Volume of NaSCN: mL. B.4. Moles of SCN: initial mol. B.5. Percent Transmittance. Molar concentration of NaSCN: 0.00 M. 7: 5.0 mL. 8: 2.50 mL. 5.0. B.6. Absorbance, A: 0.099. 5th-0. 0.3 M. 0.481. 0.5. Calculation for Test Solution 6.