A 0484g sample of impure nh4br is treated with 2500ml of, Ask an Expert

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A 0.484g sample of impure NH4Br is treated with 25.00mL of 0.2050 M NaOH and heated to drive off the NH3. The unreacted NaOH in the reaction mixture after heating required 9.95mL of 0.0525 M H2C2O4 to neutralize.

a) How many grams of NH4Br were in the original sample?

b) What is the percentage NH4Br in the original sample?

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Category:- Chemistry
Reference No.:- M91036764

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