Physical properties of tooth paste

A solution is created by dissolving 11.0 grams of ammonium chloride in enough water to make 305 mL of solution. How many moles of ammonium chloride are present in the resulting solution?

What is the osmotic pressure of a solution formed by dissolving 44.3 mg of aspirin (C9H8O4) in 0.358 L of water at 25 ∘C?

Which is a discontinued variation: height, eye colour or weight

What is evidenced based laboratory medicine in chemistry and evidence-based?

According to the Periodic Table of Elements, Chlorine (CL) has 35.45 protons. True False

Which best describes the molecules of an ideal gas

MgNH4PO4> Mg2P2O7+NH3+H2O

If 1.0 gram of matter was converted to energy, how much energy would be formed? A. 9.0 x 10-13 joules B. 9.0 x 1013 joules C. 3.0 x 1013 joules D. 3.0 x 108 joules

A piece of metal ore weighs 8.50 g. when a student places it into a graduated cylinder containing water, the liquid level rises from 21.25 ml to 26.47 ml. what is the density of the ore?

Find the mass of 3.65 x 10^-2 mol K2SO4