Find the pH and the concentrations of H₂SO3, HSO3
and SO3 in each solution;
a)0.050M H₂SO₃
b)0.050M NaHSO3
c)0.05M Na2SO3

What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

6. what does the symbol ah stand for? o one calorie given off by a reaction the specific heat of a substance the heat capacity of a substance the heat of reaction for a chemical reaction