Academic Integrity: tutoring, explanations, and feedback — we don’t complete graded work or submit on a student’s behalf.

Specific protocol should be followed any time a balance is used to weigh the mas

ID: 983407 • Letter: S

Question

Specific protocol should be followed any time a balance is used to weigh the mass of a chemical or object Select which of the following rules are part of this protocol A. Glassware must be dried thoroughly before being weighed B Glassware, containers, and chemicals should be at room All chemicals should be contained in either a piece of glassware or weighboat. temperature.The same balance should be used throughout an experiment. Filter paper must be completely dry. even after being used in an experiment. A and C only All of the above Why should these selected rule (s) be followed There may he discrepancies in accuracy between individual balances. Weighing wet items will cause the displayed mass to be greater than the actual mass of the object. objects at any temperature other than room temperature can creat air currents which can affect the balance pan, causing the measured air currents lower than the true mass A residue on the balance will contaminate the balance pan surface and anything comes into contact with it afterwards

Explanation / Answer

All the given rules should be followed.

All the reasons are also correct.

Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
Chat Now And Get Quote