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23 Nov 2019

The solubility of Ba(No3)2 is 130.5 grams per liter at 0 degrees C. How many moles of dissolved salt are present in 4 liters of a saturated solution of Ba(No3)2 at 0 degrees C?

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Bunny Greenfelder
Bunny GreenfelderLv2
10 Mar 2019

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Related questions

A student synthesized 6.895 g of barium iodate monohydrate, Ba(IO3)2 * H2O, by adding 30.00 mL of 5.912 * 10^-1 M barium nitrate, Ba(NO3)2, to 50.00 mL of 9.004 * 10^-1 M sodium iodate, NaIO3. Ba(NO3)2 + 2 NaIO3 ---> Ba(IO3)2 + 2 NaNO3125 mL of 25 degrees C distilled water was used to wash and transfer the precipitate, rather than 20 mL of chilled distilled water (at 4 degrees C). The solubility of barium iodate monohydrate in 25 degrees C water is 0.028g per 100 mL of water; in 4 degrees C water, it is 0.010 g per 100 mL of water.1. What mass of product would you expect to isolate?2. Calculate the percent error as a result of using 125 mL of 25 degrees water, compared with the correct yield using 20 mL of 4 degrees C water.

Explain why the conductivity of 0.073 M Ba(NO3)2(aq) is greater than that of 0.073 M KBr(aq).

A) The total ion concentration of the Ba(NO3)2 is greater than the KBr. In addition, some or all of the ions in Ba(NO3)2 have higher charge than those of KBr. Both of these factors increase the conductivity of the Ba(NO3)2 solution.

B) Electrolytes with a NO3รขย€ย“ anion will always have a higher conductivity when compared to any other electrolyte. Thus the Ba(NO3)2 will always have a higher conductivity than KBr as long as they are at the same concentration.

C)Conductivity increases when electrolytes react with water. Ba(NO3)2 reacts much more readily with the water than KBr, thus the greater reactivity of Ba(NO3)2 will lead to a much greater conductivity in solution.

D) The KBr is a weak electrolyte while the Ba(NO3)2 is a strong electrolyte. Thus the Ba(NO3)2 fully ionizes in solution and will have a higher conductivity than the KBr.

2.)For the balanced equation: 2HNO3 + Ba(OH)2 Ba(NO3)2 + 2H2O

A.) If you had 55.00 g of HNO3 and enough Ba(OH)2, how many g of Ba(NO3)2 and moles of water would be produced?(1 point) Watch Sig Figs

B.) Based on your answer in 2a., if you actually produced 0.25 g of Ba(NO3)2, what is the % yield? (1 point)

C.) If you had 0.250 g of HNO3 and 0.350 g of Ba(OH)2, which one is the limiting agent. Show your work to support your answer. (1 point)

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