iceprincess3509 iceprincess3509

02-07-2018
Chemistry

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What is the percent by mass of chlorine in NaCl? 35.45% 39.34% 60.66% 70.90%

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Willchemistry Willchemistry

03-07-2018

molar mass NaCl = 58.44 g/mol

atomic mass Cl = 35.45 amu

therefore:

Cl% = ( atomic mass Cl / molar mass NaCl ) * 100

Cl % = ( 35.45 / 58.44 ) * 100

Cl% = 0.606 * 100

Cl = 60.66 %

Answer C

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19-11-2020

Answer:

C. 60.66%

Explanation:

Answer Link

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