Stoichiometric Calculations

Question 1

The molecular weight of table salt, NaCl, is 58.5 g/mol. A tablespoon of salt weighs 6.37 grams. Complete the unit conversion setup using dimensional analysis. A: B: C:

Revolt · Accepted Answer

6.37 g NaCl; Selection 1: 6.37 g NaCl; Selection 2: 1 mol NaCl; Selection 3: 58.5 g NaCl

Question 2

B:

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1 mol NaCl

Question 3

C:

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58.5 g NaCl

Question 4

Considering the setup from the previous problem, calculate the number of moles of salt in 6.37 grams. The molecular weight of table salt, NaCl, is 58.5 g/mol. Type in your answer below using the correct number of significant figures.6.37 g NaCl =

Revolt · Accepted Answer

0.109

Question 5

Question 6

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238 g

Question 6

All stoichiometry calculations involve what important step?

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mole ratio fraction

Question 7

10. g KCl15 g KCl16 g KCl21 g KCl

Revolt · Accepted Answer

15 g KCl

Question 8

Question 9

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10.8 g H2

Question 9

7.5 g Na2CO3 = g NaCl

Revolt · Accepted Answer

8.3

Question 10

35 g Na = g Cl2

Revolt · Accepted Answer

54

Stoichiometric Calculations Answers

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