Chemistry, 22.03.2021 01:00 daplol22222
15 POINTS A hydrate of potassium carbonate has the formula K2CO3•x H20, where x represents the
number of water molecules in the formula A 10.00 g sample of the hydrate is heated, and after
the water evaporates, the anhydrous salt (salt without water) has a mass of 7.93 g.
a Calculate the mass of water in the hydrate
b. Calculate the percent of water in this hydrate?
c. Determine the formula of the hydrate SHOW YOUR WORK PLEASE
Answers: 3
Chemistry, 22.06.2019 03:00
Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis
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Chemistry, 22.06.2019 06:00
This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light
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Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
15 POINTS A hydrate of potassium carbonate has the formula K2CO3•x H20, where x represents the
numb...
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