Suppose you wanted to produce 2.70 L of a 2.50 M solution of H2SO4. How much solute is needed to make this solution

The air exhaled from the lungs of a smoker has a concentration of 24 ppm co. express the concentration as a percent.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Particles vibrate in a rigid structure and do not move relative to their neighbors.