xy 01v2] Online teaching X (5 molar mass sodium iod: x t cengagenow.com/ilrn/tak

Question

xy 01v2] Online teaching X (5 molar mass sodium iod: x t cengagenow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator assignment-take&ta; essionLocator assignment-take Visited Use the References to access important valees if needed for this question. According to the following reaction, how many grams of sodium chloride will be formed upon the complete reaction of 32.-6 grams of chlorine gas? sodium iodide with excess chlorine (g)+ sodium iodide (s)sodium chloride (s)+ iodine (s) grams sodium chloride Submit Answer Try Another Versiorn 2 item attempts remaining

Explanation / Answer

molar mass of NaI = 149.89 g/mol

so

moles of NaI = 32.6 g / 149.89 (g/mol)

moles of NaI = 0.2175 mol

now

consider the balanced reaction

Cl2 + 2 NaI --> 2 NaCl + I2

so

moles of NaCl produced = 0.2175 mol NaI x ( 2 mol NaCl / 2 mol NaI)

moles of NaCl produced = 0.2175 mol

now

mass of NaCl produced = 0.2175 mol x 58.4 g/mol

mass of NaCl produced = 12.7 g

so

12.7 grams of NaCl are produced

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