Posted by Jen on Thursday, April 1, 2010 at 10:55am.
moles HCl = M x L
moles NaOH = M x L
Determine moles NaCl formed, then
M NaCl = moles/L
How do you determine the moles of just NaCl? and is the moles of HCl and NaOH just the molar mass? Thanks
You aren't following instructions.
moles HCl = M x L. You have molarity given in the problem as well as liters (actually milliliters and you convert to liters).
moles NaOH = M x L.
HCl + NaOH ==> NaCl + H2O
The equation tells you that 1 mol HCl reacts with 1 mol NaOH to produce 1 mol NaCl. You look at moles HCl and moles NaOH you have and based on the above ratio you decide how many moles NaCl are formed. (One of the materials is a limiting reagent). Then from moles NaCl formed, divide by L of solution (50 mL + 50 mL = 100 mL = 0.100 L) to get M which is moles/L.
.006M NaCl
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