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How many g of product are actually used when a chemist calculates the theoretical yeild of a product at 20.1 g and the percentage of yeild is 87.1%?
1. what are the average calories not calories per gram for each of your food items?2. use the nutritional information
How many grams of magnesium chloride are needed to react completely with 66.0 mL of 0.189 M NaOH solution
Usually t-butanol absorbs water on exposure to the air. If the freezing point of a 10.0 g sample of t-butanol is measured as 24.59 degrees C, how many grams of water are present in the sample
Calculate the [SCN] solution A, where 5.3 mL of 1.9x10^-3 M NaSCN is diluted to 42.0 mL with 0.1 M Fe(NO3)3. Next calculate the [FeSCN2+] in the solutions prepared by diluting volumes of solution A with 0.1 M Fe(NO3)3 to a final volume of 1.0101 mL..
a star is estimated to have a mass of 1x1036 kg. assuming it to be a sphere of average radius 7.5x105 km calculate the
in a titration experiment it was found that 15.38ml of 0.139m naoh was required to neutralize a 25.00 ml sample of hcl.
What is the total sample size (in grams) for a sample of magensium nitrite which contains 0.96 g of oxygen
Suppose we had ran the oxidation reaction with racemic borneol. Is there an analytical technique we could use to verify that the camphor also is racemic. What type of instrumentation would you use. What kind of results would you expect for a racem..
an aerosol spray can with a volume of 456 ml contains 3.09 g of propane gas c3h8 as a propellant. if the can is at
At 25 degrees celcius a sample of NH3 effuses at a rate of .050 mole per minute. Under the same conditions, which gas effuses at approximately one-half that rate?
What is the pressure in a 10.0- cylinder filled with 0.455 of nitrogen gas at a temperature of 315
Assume that an esterification reaction is done using 0.10 moles of a carboxylic acid and 1 moles of an alchohol. What is the theoretical yield (in moles) for the reaction
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