Chemistry, 30.12.2021 02:20 Yailynn565
Determine the molar mass og freon_11gas if a simple weighing 0.597
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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Given that 1 mi = 1760 yd, determine what conver- sion factor is appropriate to convert 1849 yd to miles; to convert 2.781 mi to yards.
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Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?
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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.
Answers: 3
Determine the molar mass og freon_11gas if a simple weighing 0.597...
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