20. 0 ml of 0. 200 m diprotic acid (h2a) was titrated with 0. 100 m koh. The acid ionization constants for the acid are ka1=5. 2×10−5 and ka2=3. 4×10−10.

Which of the following methods uses the decay of atomic particles in an object to find its exact age? a. fossil dating b. geologic dating c. radioactive dating d. relative dating

There are 6.022, 104 atoms of hg in 1 mole of hg the number of atoms in 45 moles of hg can be found by multiplying 4.5 by 6.022, 102 which is the number of atoms in 4.5 moles of hg, correctly written in scientific notation with the correct number of significant figures? 0 21,109 0 21,100 271, 1024 27.099, 100 mark this and retum save and exit submit

If blood contains 150g of hemoglobin per liter of blood, how much hemoglobin would be contained in 10 ml of blood