A chemistry student needs 20.0 g of acetone for an experiment. By consulting the CRC Handbook...
A chemistry student needs 75.0 g of pentane for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of pentane is 0,626 giem". Calculate the volume of pentane the student should pour out. Be sure your answer has the correct number of significant digits. Il mL X 5 ?
A chemistry student needs 40.0 mL of pentane for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density ofpentane is 0.626 g cm^3. Calculate the mass of pentane the student should weigh out.
A chemistry student needs 5.00 g of acetyl bromide for an experiment. He has available 120. g of a 27.8% w/w solution of acetyl bromide in benzene. Calculate the mass of solution the student should use. Round your answer to 3 significant digits.
A chemistry student needs 20.0g of acetyl bromide for an experiment. She has available 0.20kg of a 20.9% w/w solution of acetyl bromide in chloroform. Calculate the mass of solution the student should use. If there's not enough solution, press the "No solution" button. Be sure your answer has the correct number of significant digits.
A chemistry student weighs out 0.117 g of citric acid (H.CHO), a triprotic acid, into a 250 mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.0800 M NaOH solution Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Round your answer to 3 significant digits.
A chemistry student weighs out 0.0959 g of acrylic acid (HCH2CHCO2 into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.0900 M NaOH solution Calculate the volume of NaOH solution the student will need to add to reach the equivalence point. Round your answer to 3 significant digits. mL ×10
A chemistry student weighs out 0.0873 g of formic acid (HCHO) into a 250. ml. volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1500 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the equivalence point. Be sure your answer has the correct number of significant digits. ml X s ?
A chemistry student weighs out 0.115 g of sulfurous acid (H,SO,), a diprotic acid, into a 250 mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1500 M NaOH solution Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Be sure your answer has the correct number of significant digits x 5 ?
A chemistry student weighs out 0.140 g of sulfurous acid (H,SO2), a diprotic acid, into a 250. mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1200 M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the final equivalence point. Be sure your answer has the correct number of significant digits. 1 ml x s ?
A chemistry student weighs out 0.0609g of lactic acid HC3H5O3 into a 250.mL volumetric flask and dilutes to the mark with distilled water. He plans to titrate the acid with 0.1300M NaOH solution. Calculate the volume of NaOH solution the student will need to add to reach the equivalence point. Round your answer to 3 significant digits.