Chemistry, 31.08.2020 01:01 josephnoah12161
A 3.02 g sample of a soluble ionic compound with the formula MX2 was dissolved in 780 mL of solution at 27C. The osmotic pressure of the resulting solution is 2.56 atm. What is the molar mass of the ionic compound?
Answers: 1
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Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
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Calculate the number of molecules present in 0.750 mol of mgo.
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Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.
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Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet
Answers: 2
A 3.02 g sample of a soluble ionic compound with the formula MX2 was dissolved in 780 mL of solution...
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