19. What volume in mL will 0.0066 mol of hydrogen gas occupy at a pressure of 0.907 atm and a temperature of 9 °C?
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the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary