If 100g of an isotope has a half life of 4 hours how long will it take for there to be 25g remaining

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.

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.

Chromosome 17 is made of over million base pairs.