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- A compound, KBrOx, where x is unknown, is analyzed andfound to contain 52.92% Br. What is the value of x?What is fractional distillation and distillation with the use of a fractionating column; how it is performed, what is the theory behind it?What characteristics does a mixture need to have so that it could be separated by: A) Distillation, B) Centrifugation. C) Separating funnel?
- In fractional distillation, liquid can be seen running from the bottom of the distillation column back into the distilling flask. What effect does this returning condensate have on the fractional distillation?Please answer them all they are one solid quetion.From a 10-mL sample, a 1-mL aliquot was taken and diluted to 100mL. From this, a 5-mL aliquot was taken and diluted to 20mL.The final 20mL was found to have a concentration of 0.004M analyte X.What is the concentration of analyte X in the 10-mL sample?
- A mixture must be at its saturation point to be classified as a true solution. True False24 g of sodium hydride were added to 1 L.of water. The result solution reacted with 100 ml of water solution of nitric acid (HNO3) = 30 %, 0 = 1.18 g/ml). Calculate mass fractions of all compounds in the final solution.A 2.0 g of MgCO3 was dissolved and diluted to exactly 500-mL volumetric flask. If 50-mL aliquot was used in the analysis, what is the weight of MgCO3 present in the aliquot sample