Chemistry, 10.04.2020 05:00 bluebabyyy
Question 6
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Which element is classified as a metalloid?
boron
potassium
sulfur
xenon
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Chemistry, 23.06.2019 00:00
How many atoms or molecules are there in a mole of a substance?
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Chemistry, 23.06.2019 09:00
A0.10 m aqueous solution of sodium sulfate is a better conductor of electricity than a 0.10 m aqueous solution of sodium chloride. which of the following best explains this observation? (a) sodium sulfate is more soluble in water than sodium chloride. (b) sodium sulfate has a higher molar mass than sodium chloride. (c) to prepare a given volume of 0.10 m solution, the mass of sodium sulfate needed is more than twice the mass of sodium chloride needed. (d) more moles of ions are present in a given volume of 0.10 m sodium sulfate than in the same volume of 0.10 m sodium chloride. (e) the degree of dissociation of sodium sulfate in solution is significantly greater than that of sodium chloride.
Answers: 2
Question 6
Review
Which element is classified as a metalloid?
boron
potassiu...
Review
Which element is classified as a metalloid?
boron
potassiu...
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