Calculate the concentrations of all species in a 1.14 M NaCH3COO (sodium acetate) solution. The ionization constant for acetic acid is Ka=1.8×10^−5.

Na+
OH-
H3O+
CH3COOH-
CH3COOH

Answer:

5.6⋅10−^19  j

do you need the explaination?

H tricky one let me think and get back to u

Radon-222 or rn-222 has a half-life of 3.82 days. to determine the fraction of an original sample of rn-222 that remains unchanged after 7.646 days, we calculate the amount of rn-222 remaining after 7.646 days and divide it with the original amount. using 1 gram as a basis and using half-life calculation methods, we can determine that  0.249 or 0.25  grams of rn-222 will remain, and thus the fraction remaining is 0.25 or 1/4.