Perform the following operation
and express the answer in
scientific notation.
...
Chemistry, 22.03.2022 05:50 nassercruz04
Perform the following operation
and express the answer in
scientific notation.
Answers: 2
Chemistry, 21.06.2019 13:00
Asolution at 25 degrees celsius is 1.0 × 10–5 m h3o+. what is the concentration of oh– in this solution?
Answers: 1
Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
Chemistry, 22.06.2019 14:00
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
Mathematics, 20.11.2019 05:31
Mathematics, 20.11.2019 05:31
Mathematics, 20.11.2019 05:31
Mathematics, 20.11.2019 05:31
Mathematics, 20.11.2019 05:31
Mathematics, 20.11.2019 05:31