A hypothetical element has two main isotopes with mass numbers of 51 and 51. If 64.00% of
the isotopes have a mass number of 51 amu,
what atomie weight should be listed on the
periodic table for this element?
Answer in units of amu.

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

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.

What metric units would you use to measure the thickness of a key