Potassium cyanide is a toxic substance, and the median lethaldose depends on the mass of the person
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Question:
Potassium cyanide is a toxic substance, and the median lethaldose depends on the mass of the person or animal that ingests it.The median lethal dose of KCN for a person weighing 195 lb (88.5 kg) is 7.47×10?3 mol .
What volume of a 0.0210 M KCN solution contains7.47×10?3 mol of KCN?
Express the volume to three significant figures and include theappropriate units.
Part B
Gastric acid pH can range from 1 to 4, and most of the acid isHCl.
For a sample of stomach acid that is1.58×10?2M in HCl, how many moles of HCl are in17.0 mL of the stomach acid?
Express the amount to three significant figures and include theappropriate units.
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