deathfroggy57 deathfroggy57

20-01-2023
Mathematics

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A 250 g sample is composed of 150 g of sodium (Na) and 100 g of chlorine (CI).
What is the percent by mass of Cl in the sample?

A. 40.0%
B. 50.0%
C. 70.0%
(it's not 60%)

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