1. Deadly
Chemistry

2. The Crime Scene Miss Sparrow found dead on the floor of the ballroom
The murder weapon: 8.4 L of a clear liquid found next to her dead body
Possible Chemicals
Zinc nitrate (Miss Sparrow was highly allergic)
Silver Nitrate (used by several members of the household)

3. The Suspects Professor Penguin Chemistry teacher
Working in the study with Silver Nitrate solutions with concentrations between 0.17 to 0.23 M
Miss Sparrow was his worst student
Always late to class
Broke lots of glassware
Never cleaned up

4. The Suspects Mrs. Waterhorse
Asthmatic with a prescription for zinc nitrate in the bathroom
Molarity between 0.07 and 0.13
Mrs. Waterhorse was currently rooming with Miss Sparrow’s ex-boyfriend
They could not be found in the lounge for comment

5. The Suspects
Mr. Rabbit
Photographer with solutions of silver nitrate in the darkroom
Between 0.07 and 0.13 M
Had been caught “scarlet-handed” at his own blackmail game
Pictures of him and Miss Sparrow were found hidden in Sparrow’s bedroom
Mrs. Rabbit has not seen the pictures

6. The Suspects Mrs. Longhorn Wearing the same dress as Miss Sparrow
Found in the stable giving zinc nitrate to her horse because of bronchitis
The strength was within the range of 0.17 – 0.23 M
She knew Miss Sparrow was allergic because they were lab partners
Would get angry when Miss Sparrow didn’t help with the labs

7. The Suspects Colonel Mustang
Had silver nitrate solutions of M in the conservatory
Despised the left-wing politics of Miss Sparrow
Enjoyed making explosives
Was the interim assistant principal at the high school
Closed the campus when Miss Sparrow (student council president) overthrew the administration and took control of the school

8. Your Task
Obtain a sample of the murder solution by asking your teacher for it in the classroom
You will also be given 0.10 M NaCl, 0.10 M Na2CO3, 0.10M AgNO3, and 0.10M Zn(NO3)2
Use any materials in your drawer or request additional materials that you may need
Determine the identity and molarity of the murder weapon
Solve the case: Who Killed Miss Sparrow?