During a lab, a student mixes three different lithium hydroxide solutions together in one larger container. They mix 68.9 mL of 2.01 M LiOH, 133.4 ml of 2.94 M LiOH, and 90.4 mL of 0.85 M LiOH. What is the resulting molarity of the solution?
Give your answer with two decimal places

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? a. the balloons both rise. the cold balloon is larger than the warm balloon. b. the balloons rise at the same rate. both balloons are the same size. c. the warm balloon expands and rises. the cold balloon shrinks and sinks. d. the cold balloon expands and rises. the warm balloon shrinks and sinks.

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?