1. Explain the benefit of letting the solutions of HCl(aq) and NaOH(aq) sit overnight. 2. When using the same graduated cylinder to measure the volumes of HCl(aq) and NAOH(aq), it is important to rinse the cylinder with water and a small amount of the second reactant before measuring the volume of the second reactant. Explain why this is important for this investigation. 3. Describe how to perform each of the following safely: • diluting a strong acid solution with water • dissolving a solid base in water • adding a solution of base to a solution of acid

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Pre-Lab Questions
1. Explain the benefit of letting the solutions of HCl(aq) and NaOH(aq) sit overnight.
2. When using the same graduated cylinder to measure the volumes of HCl(aq) and
NAOH(aq), it is important to rinse the cylinder with water and a small amount of the
second reactant before measuring the volume of the second reactant. Explain why this
is important for this investigation.
3. Describe how to perform each of the following safely:
• diluting a strong acid solution with water
• dissolving a solid base in water
• adding a solution of base to a solution of acid
4. If acid comes in contact with your skin, why must you flush the area with plenty of
cold water, rather than neutralizing the acid with a base?
Transcribed Image Text:Pre-Lab Questions 1. Explain the benefit of letting the solutions of HCl(aq) and NaOH(aq) sit overnight. 2. When using the same graduated cylinder to measure the volumes of HCl(aq) and NAOH(aq), it is important to rinse the cylinder with water and a small amount of the second reactant before measuring the volume of the second reactant. Explain why this is important for this investigation. 3. Describe how to perform each of the following safely: • diluting a strong acid solution with water • dissolving a solid base in water • adding a solution of base to a solution of acid 4. If acid comes in contact with your skin, why must you flush the area with plenty of cold water, rather than neutralizing the acid with a base?
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