Determine the age of the rock

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Q. Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?

Q. Determine the age of the rock if the concentration of the radioactive isotope potassium-40 in a rock sample is found to be 3.125%. ?

Reference no: EM1395057

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