{"result":{"text":"I n i t i a l space m i l i space m o l space space 100 cross times 10 to the power of negative 2 end exponent space 200 cross times 10 to the power of negative 2 end exponent\nspace space space space space space space space space space space space space space space space space space space space space space space space space space 1 space space space space space space space 2 space space space space space space space space space space space space space space space 0 space space space space space space space space space space 0\nF i n a l space m i l i space m o l space space space space space 0 space space space space space space 1 space space space space space space space space space space space space space space space space 1 space space space space space space space space space space 1\ntherefore open square brackets O H to the power of minus close square brackets space f r o m space N a O H space equals 1 over 300 equals 3 cross times 10 to the power of negative 3 end exponent"},"status":"ok"}