To determine the concentration of a Sn2+(aq) solution, a student titrated a 50.00 mL sample of acidified Sn2+(aq) with 1.44 mmol/L KMnO4(aq). The titration required 24.83 mL of KMnO4(aq) to reach the endpoint.3 AnswersChemistry1 year ago
1.) gas produced that will relight a glowing splint
2.) gas produced that will cause a lit splint to "pop"
3.) increase in pH
4.) decrease in pH
5.) solid metal is produced
6.) solid metal reacts
7.) blue colour fades
8.) blue colour forms1 AnswerChemistry1 year ago
Two museums are located on the same side of a river and are 1600 m apart. Across the river is the dock for the two ferries that big ?
Big tourists to the museums (the dock is between the museums). The angles made by the river bank and the lines drawn from the museums to the dock are 42 degrees and 19 degrees.
a. How far is each museum from the dock, to the nearest metre?
b. What's the width of this part of the river, to the nearest metre?2 AnswersHomework Help2 years ago
a. pulmonary vein
b. pulmonary artery
c. vena cava
d. aorta2 AnswersBiology2 years ago
a. through the aorta
b. through the superior vena cava
c. through the pulmonary vein
d. through the inferior vena cava1 AnswerBiology2 years ago