The maximum concentration set by the u. s. environmental protection agency for lead in drinking water is 15 ppb. -what is this concentration in milligrams per liter? -how many liters of water contaminated at this maximum level must you drink to consume 1.0 μg of lead? can someone just guide me through the steps for ! (: ,

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

What diagram shows the ionic compound of magnesium oxide

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.