. ¿Qué cantidad de HNO3 concentrado y de solvente se utilizará en la preparación de 500 mL al 5% (v/v)?

The most efficient way to establish the best possible economizer position is to measure

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures