Question 1 of 1 | |
Question 1 | 8 points |
It took 43.00 mL of 0.5065 M sodium hydroxide to react completely with 3.210 g of a weak acid HA. What is the molar mass of the weak acid?
g/mol
g/mol
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Hint 1 |
Balance the equation for the reaction HA + NaOH NaA + H2O Good job on this problem! |
Hint 2 |
How many moles of NaOH are present in 43.00 mL of a 0.5065 M solution of sodium hydroxide? .02178 mol You are correct. Nice job! |
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Hint 3 |
The mole ratio betwen HA and NaOH is to Well done! Your effort has paid off. |
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Hint 4 |
How many moles of HA are required to react completely with the NaOH? .02178 mol Excellent job! |
Hint 5 |
To convert moles of HA to molar mass, we need to divide the by the Keep up the good work. |