`1/(1*6xx1 0^(- 18))`

What is [H^(+)] in mol /L of a solution that is 0.20 M in CH_3COONa and 0.10 M in CH_3COOH? (Ka = 1.8 xx 10^(-5) ) 3.5 xx 10^(-4) 1.1 xx 10^(-5) 1.8 xx 10^(-5) 9.0 xx 10 ^(-6)

Calculate pH solution: 0.1 M CH_(3)COOH (K_a=1.8 xx 10^(-5))

Find each of the following products: (a) 3 xx (-1) (b) (-1) xx 225 (c) (-21) xx (-30) (d) (-316) xx (-1) (e) (-15 xx 0 xx (-18) (f) (-12) xx (-11) xx (10) (g) 9 xx (-3) xx (-6) (h) (-18) xx (-5) xx (-4) (i) (-1) xx (-2) xx (-3) xx 4 (j) (-3) xx (-6) xx (-2) xx (-1)

Find each of the following products: (a) 3 xx (-1) (b) (-1) xx 225 (c) (-21) xx (-30) (d) (-316) xx (-1) (e) (-15 xx 0 xx (-18) (f) (-12) xx (-11) xx (10) (g) 9 xx (-3) xx (-6) (h) (-18) xx (-5) xx (-4) (i) (-1) xx (-2) xx (-3) xx 4 (j) (-3) xx (-6) xx (-2) xx (-1)

(-1)/6xx(-1)/6xx(-1)/6 =____

Maximum velocity of the photoelectron emitted by a metal is 1.8 xx 10^(6) ms^(-1) . Take the value of specific charge of the electron is 1.8 xx 10^(11) C kg^(-1) . Then the stopping potential in volt is