Chemistry, 24.01.2022 18:00 taekookie01
Plan a method the students could use to test their hypothesis.
You should show how the students use their results to test the hypothesis.
You do not need to write about safety precautions.
Answers: 1
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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
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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.
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How is the shape of the poem “peer” connected to its meaning?
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How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.
Answers: 1
Plan a method the students could use to test their hypothesis.
You should show how the students us...
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