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Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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What is the correct order of steps for the weighing by addition method? ! Add or remove sample on the top loading balance until the target mass is achieved. Zero the analytical balance and tare a weighing boat. 3 ! Transfer with minimal hand contact the weighing boat to the analytical balance. Check the mass. 4 | Transfer sample quantitatively into the receiving vessel ensuring that all the sample is transferred. I Zero the top loading balance and transfer the weighing boat to it and tare the balance. 6. I Add sample to the weighing boat by tapping the sample bottle to the approximate target mass. 7. Label your analytical balance so you are the only user. E Record the mass. 6. I Repeat mass checks on the analytical balance until the target mass is achieved. When doing multiple weighings throughout an experiment it does not matter if you use different analytical and top-loading balances. O True O False 5 A quick check to ensure a balance is calibrated and working properly is to weigh a Canadian quarter which has a weight of approximately 4.52 g. O True O False
Transcribed Image Text:What is the correct order of steps for the weighing by addition method? ! Add or remove sample on the top loading balance until the target mass is achieved. Zero the analytical balance and tare a weighing boat. 3 ! Transfer with minimal hand contact the weighing boat to the analytical balance. Check the mass. 4 | Transfer sample quantitatively into the receiving vessel ensuring that all the sample is transferred. I Zero the top loading balance and transfer the weighing boat to it and tare the balance. 6. I Add sample to the weighing boat by tapping the sample bottle to the approximate target mass. 7. Label your analytical balance so you are the only user. E Record the mass. 6. I Repeat mass checks on the analytical balance until the target mass is achieved. When doing multiple weighings throughout an experiment it does not matter if you use different analytical and top-loading balances. O True O False 5 A quick check to ensure a balance is calibrated and working properly is to weigh a Canadian quarter which has a weight of approximately 4.52 g. O True O False
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