How many moles of solute are contained in a 250 ml solution that has a concentration of. 85 m?

A) 210

B) 0.21

C) 3.4

D) 0.29

E) 0.85

What property of radioactive nuclear waste makes it so difficult to dispose responsibility?

A beam of light passes though a liquid in a test tube without scattering. Which type of mixture is most likely in the test tube? colloid emulsion solution suspension

In a closed system, if a gas is transported to a container with double the volume of the previous container, gas was held in, What is the gases' new volume?

What is the correct chemical formula to show water in the solid phase?

What causes the wind? A. The Earths orbit around the sun B. The Earths rotation on its axis C. The layers of the Earths atmosphere d. Uneven heating by the sun

For a given reaction, adding a catalyst increases the rate of the reaction by (1) providing an alternate reaction pathway that has a higher activation energy (2) providing an alternate reaction pathway that has a lower activation energy (3) using

An element which forms an oxide that dissolves in water to form an acidic solution.

Milk of magnesia is a base. What happens when you drink milk of magnesia for an upset stomach? A) It raises the pH of your stomach. Eliminate B) It lowers the pH of your stomach. C) It cleanses the stomach of harmful, painful bacteria.

Which of the following can be classified as an empirical formula? Why? A. S2Cl2 B. C6H10O4 C. Na2SO3

A student records the value 1.5 atm on a data table. The student is measuring what?