A runner competed in a 5-mile run. How many yards did she run? Conversion Factors:
1 km = 0.6214 miles
1 km = 3280.84 ft.
3 ft = 1 yard

The concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point