if 0.5 ml of a 1:300 dilution contains 1 antigenic unit, 2 antigenic units would be contained in 0.5mL of a dilution of

Explain how carbon monoxide can cause death

The speed of light is around 6.706×10^8 miles per hour. what is the speed of light in units of miles per minute?

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.