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During a titration, a student used 31.92 ml of a .1000 M NaOH (aq) to neutralize 30.0 ml of a . 2488 M oxalic acid solution.
a. Write the balanced equation for the neutralization reaction ( you need the formula of oxalic acid)!
b. How many mol of oxalic acid were present in the sample?
c. How many mol of NaOH (aq) were needed to neutralize the oxalic acid?
d. What is the molar concentration of the NaOH (aq)?
Calculate the molality and molarity of an NH3 solution made up of 28.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
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calculate the number of excess reagent units remaining when 188 PbS formula units and 279 O2 molecules react?
It requires 251 J to melt 2.22 g of sodium metal at its normal melting point of 98°C. Calculate the molar heat of fusion of sodium.
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Determine the new pressure of the gas and express your answer in Pa
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