The "hardness" of water is usually expressed as parts per million (ppm) by mass of caco3. what is the molar concentration of ca+2 ions in a water sample with a hardness count of 175 ppm?

Aspect of motion include speed and direction

In a transverse wave the higher the wave, the higher the?

When tested a solution turns red litmus to blue this indicates that the solution contains more?

What acid and what base would you choose to prepare the salt potassium perchlorate (kclo4) ?

Compare the compositions and functions of carhohudrates and lipids

What happens as a result of the kinetic energy of the particles in a liquid being comparable with the intermolecular attractions between the particles? A The particles do not move enough to change positions, so the liquid is not compressible.

How many moles are im 8.31x1023 molecules of h2so4

Which terms most precisely describes the cellular process of breaking down large molecules into smaller ones?

A gas in a rigid container is heated so that it's kelvin temperature doubles. What happens to its pressure

Common cause of biological contamination