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Chemistry 12 Online
OpenStudy (anonymous):

I have no idea what I am doing. I have a chemistry portfolio and like there is stuff I don't understand and I need to finish it today and just like . . . what? The mass of the NaCl of 58g but the percent of this is unknown The mass of CaCO3 is 100g but the percentage is unknown How can I figure out this thingie? I need work shown. I appreciate it

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