The left ventricular ejection fraction (LVEF) test rate is increasingly used as a quality of care indicator for pa-. tients with heart failure. Our study produced benchmark LVEF test rates in a Medicare fee-for-service.
Toluene is a very good solvent because, unlike water, it can dissolve many organic compounds. In many commercial products, toluene is used as a solvent that is present in paint thinners, nail polish remover, glues, and correction fluid. Toluene has many uses in different industries.
Highly soluble compounds, such as NaCl, break apart completely, while compounds with low solubilities, such as lead sulfate (PbSO 4) do so only partially. Compounds with nonpolar molecules do not dissolve. How Ionic Compounds Dissolve. In solution, each water molecule acts like a tiny magnet that creates a force of attraction on the ions in the solute.