Chemistry, 29.09.2019 18:20 tahlialafaye
The following chemical equation is not balanced: i2 + na2s2o3 nai + na2s4o6 when this chemical equation is correctly balanced, what is the coefficient of the nai molecule? a. 1 b. 2 c. 3 d. 4
Answers: 1
Chemistry, 22.06.2019 09:20
Sugar is dissolved in water. which is the solute? sugar neither both water
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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 17:00
What is the approximate vapor pressure when the gas condenses at 70 degrees celsius
Answers: 2
The following chemical equation is not balanced: i2 + na2s2o3 nai + na2s4o6 when this chemical equa...
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