# Answer to Question #55546 in General Chemistry for Tracy Guido

Question #55546

Avg mass bismol tablets 1.021

Mass weighing boat 10.080 g

Mass emptied weighing boat .003

subtract two masses 10.077

Measured mass 2nd filter paper 0.116G

Watch glass 54.756

60 mL of 0.2 M Na3PO3 i

1 calculate moles of BiPO4 that were formed.

2 sample used 50 ml of solution find concentration in moles/L of Bi3+ in solution before you added Na3PO4.

3 total number of moles of Bi in the 250 ml volumetric flask.

4 (a 1:1 ratio), calculate the number of moles of bismuth subsalicylate you added to your original beaker and convert this to grams.

5 Divide grams of bismuth subsalicylate (6) by grams of pepto bismol used (1). This will give you an answer in units of g Bi-SS/g PB tablet.

6 , find the mass of Bi-SS tablet. Hint you have g Bi-SS g PB and you have g PB tablet.

Mass weighing boat 10.080 g

Mass emptied weighing boat .003

subtract two masses 10.077

Measured mass 2nd filter paper 0.116G

Watch glass 54.756

60 mL of 0.2 M Na3PO3 i

1 calculate moles of BiPO4 that were formed.

2 sample used 50 ml of solution find concentration in moles/L of Bi3+ in solution before you added Na3PO4.

3 total number of moles of Bi in the 250 ml volumetric flask.

4 (a 1:1 ratio), calculate the number of moles of bismuth subsalicylate you added to your original beaker and convert this to grams.

5 Divide grams of bismuth subsalicylate (6) by grams of pepto bismol used (1). This will give you an answer in units of g Bi-SS/g PB tablet.

6 , find the mass of Bi-SS tablet. Hint you have g Bi-SS g PB and you have g PB tablet.

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