Sugar (C12H22O11) is a molecular compound that stays together inwater, while NaCl and MgSO4?7H2O are ionic compounds
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Question:
Sugar (C12H22O11) is a molecular compound that stays together inwater, while NaCl and
MgSO4?7H2O are ionic compounds that dissociate into cations andanions as illustrated in
the NaCl example below:
NaCl(s) Na+(aq) + Cl-(aq)
When 1 mole of solid NaCl is added to water, 2 moles of ions arereleased when the solid
NaCl dissolves. Ions and molecules dissolved in water can both bethought of as particles.
(Note: the 7H2O do not add as particles) Referring back to youranswers in 2b:
How many moles of particles were added when each substance wasadded to the
ice/water mixture in Procedure 1?
Mol of NaCl from procedure one: .342
Mol of C12H22O11 from procedure one: .0584
Mole of MgSO4?7H2O from procedure one: .0812
(there was 20g of each)
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