A beaker contains 500 ml of 2.40M KNO3 the beaker is left uncovered so that all of the water evaporates. What mass of KNO3 crystals will remain in the beaker when the beaker is dry.

You have 100 g of Pb (NO3) 2. How many moles is this?

How does Elnora feel about her future? A) She takes one day at a time. B) She is apprehensive and anxious. C) She is optimistic and open-minded. Eliminate D) She is confident and has already made plans.

Why are the elements 57 through 70, and 89 through 102, found separately at the bottom of the Periodic table?

to prepare 100 mL of a 0.5 M solution of CuSO4 using water as the solvent. Calculate the amount of solid needed.

Define volume. A the mass of liquid required to fill a container B length x width x height C the space occupied by a liquid D the space occupied by mass

During early research in nuclear energy, why were scientists surprised that the products from splitting a uranium nucleus had less mass than the reactants?

What are the efferent components of the facial nerve and their actions?

Suppose a variation makes an individual member of a species better adapted to its environment. how might the variation affect the individual's reproduction.

What was the weight percent of water in the hydrate before heating? Put answer in one decimal place. weight of water 0.349 weight of hydrate 2.107

Define meteorologist.