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OpenStudy (vera_ewing):
Can someone PLEASE help me with a few Chemistry questions?
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OpenStudy (zale101):
Subtract after evaporation and before evaporation to get the actual grams of NaCl alone without the mass of dish.
OpenStudy (vera_ewing):
Does knowing the ratio of masses of the elements in a compound lead to the unique chemical identity of the compound?
OpenStudy (zale101):
Then divide the grams that you'll get after subtraction by the molar mass of NaCl, and multiply by 100% to get the percentage of NaCl
OpenStudy (zale101):
First, work on the previous question instead of deleting it.
OpenStudy (vera_ewing):
@Zale101 I need help with that question ^
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