list down the rules to be followed in order to obtain accurate and reliable mass measurements with a single pan analytical balance adherence to these rules will the same time prevent damage to the balance
The measurement of mass in the laboratory is performed using balances. While there are a great variety of balance types, they are all expensive and delicate instruments that need to be treated with respect. Most balances in use now are electronic balances. If this is not the case at your school, you will need to consult your instructor to obtain directions on how to use your balances.
Balance Rules
In order to protect the balances and ensure accurate results, a number of rules should be followed:
1. Always check that the balance is level before using it.
2. Never weigh directly on the balance pan. Always use a piece of weighing paper to protect it.
3. Never add chemicals to a container or piece of weighing paper while it is on the balance.
4. Do not weigh hot or cold objects.
5. Clean up any spills around the balance immediately.
Answers & Comments
Answer:
Do not weigh hot or cold objects.
Explanation:
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Answer:
The measurement of mass in the laboratory is performed using balances. While there are a great variety of balance types, they are all expensive and delicate instruments that need to be treated with respect. Most balances in use now are electronic balances. If this is not the case at your school, you will need to consult your instructor to obtain directions on how to use your balances.
Balance Rules
In order to protect the balances and ensure accurate results, a number of rules should be followed:
1. Always check that the balance is level before using it.
2. Never weigh directly on the balance pan. Always use a piece of weighing paper to protect it.
3. Never add chemicals to a container or piece of weighing paper while it is on the balance.
4. Do not weigh hot or cold objects.
5. Clean up any spills around the balance immediately.