You Have to Calculate the Mass of a 30

question 48

Multiple Choice

You have to calculate the mass of a 30.0 mL liquid sample with density of 1.52 g/mL,but you have forgotten the formula.Which way of reasoning would help you in finding the correct mass?

• A)If 1 mL of a liquid has the mass of 1.52 g, then 30.0 mL has the mass of ________ g.
• B)If 1.52 mL of a liquid has the mass of 1 g, then 30.0 mL has the mass of ________ g.

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Definitions:

Catch Or Declare Rule

The catch or declare rule in programming mandates that a method must either catch an exception with a try-catch block or declare it in its throws clause.

Try Block

A block of code that is tested for errors while it is being executed.

Catch Blocks

Sections of code in many programming languages that are used to handle exceptions or errors during program execution.

NegativeNumberException

A custom exception that could be created to handle or indicate the use of an illegal negative number in a specific context.