900 mL saturated solution (potassium sulphate) was made at 30 degrees celsius. If the solution is heated to 50 degrees celsius, how much more potassium sulphate can dissolve now? Typed out would be preferred, or neat handwriting
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900 mL saturated solution (potassium sulphate) was made at 30 degrees celsius. If the solution is heated to 50 degrees celsius, how much more potassium sulphate can dissolve now?
Typed out would be preferred, or neat handwriting.
Step by step
Solved in 4 steps with 1 images
- Chemical Test Just fill out Table 2 by writing “+” if the compound is soluble/miscible in the solvent. Otherwise, write “-“. Table 2. Data on the results of chemical tests for C4H6O2. Chemical Test Observations + or - Ninhydrin test no colored spots on filter paper iodoform test clear pale-yellow solution Br2/CH2Cl2 (dark) clear red-orange solution Molisch test turbid colorless solution Tollen’s Test clear, colorless solutionHow many mL of methadone is needed for a patient who was prescribed 0.015 g of methadone? The vial reads 6 milligrams of methadone per 1 mL of solution.How many mL of 19 mM SDS would you need to make 76 mL of 2 mM SDS? Report your answer rounded to 1 decimal place.
- If a researcher forgot to wipe the outside a sample cuvette to make it free of drops, fingerprints, and dust prior to reading it in the spectrophotometer, how might the absorbance value of the sample be affected? (Higher, Lower, No Change) ExplainTrue- False Acetone is the safest solvent for cleaning an objective lens.How many mL of 13x stock solution would you need to make 387 mL of 1x PBS. Report your answer to 1 decimal place.
- In which type of chromatography, solvents of increasing polarity are passed through a column of silica gel?a) High performance liquid chromatography) Thin layer chromatography) Adsorption chromatography) Gas-liquid chromatographyIn the image above, the substance indicated as B is a(n) ____.Water acts as a very effective solvent. True or false
- Strong Iodine Solution USP Formula: Iodine pellets ____Potassium iodide ____Purified water ____To make 60ml Procedure:Crisco is made from vegetable oils, which are usually liquid. Why is Crisco a solid? Hint: Read the label.If a liquid contains 3 mg of drug in 40 mL, what is the milligram percent of this solution? Round to the nearest tenth of a percent.