Se dizolvă în 184 mL apă (ρ = 1g/mL) 20 g sare de bucătărie de puritate 80%. Știind că impuritățile nu se dizolvă în apă, determină concentrația procentuală masică a soluției obținute.

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml