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Why were the samples of table salt and sand placed into beakers prior to weighing?
The purpose is to avoid the contamination of the balance or of the sample.
How do you use the flatform balance?
To use a platform balance, place the object you want to weigh on the platform and wait for the balance to stabilize. The balance will then display the weight of the object. Make sure to read the measurement carefully and remove the object once you have finished weighing it.
What do you use to measure 0.5g of copper sulphate?
You would use a balance or scale to accurately measure 0.5g of copper sulfate. This would ensure that you have the precise amount needed for your experiment or application.
What is a weighing boat?
A weighing boat is a small, lightweight container used to hold and transfer solid substances during weighing procedures in a laboratory setting. It helps prevent spillage and contamination of the substances being weighed.
Why is there a need to use a watch glass or a piece of paper when weighing solid reagents?
In order to protect the pan of the balance from damage.
