8. Which of the following do not represent a conjugate acid-base pair? For those pairs that are not conjugate acid-base pairs,
write the correct conjugate acid-base pair for each species in
the pair.
a. H2SO4, SO42-
b. H2PO4 , HPO42-
c. HCIO4, Cl-
d. NH”, NH

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!

Answer asap need by wednesday morning calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 best answer will be brainliest