The maximum contaminant level (MCL) of 2,4-D is 0.07 mg/L in water. Express this MCL in terms of (a) ppm, (b) ppb, c) weight percent, and (d) moles/m3.

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

An atomic nucleus is composed ofa)protons. b)protons and neutrons. c)protons and electrons. d)protons, neutrons, and electrons.

The temperature of a lead fishing weight rises from 26 °c to 38 °c as it absorbs 11.3 j of heat. what is the mass of the fishing weight in grams?