1. A calcium concentration is reported as 300 mg/dL. What is the concentration in meq/L? 2.A 0.456-9 sample of an ore is
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1. A calcium concentration is reported as 300 mg/dL. What is the concentration in meq/L? 2.A 0.456-9 sample of an ore is
1. A calcium concentration is reported as 300 mg/dL. What is the concentration in meq/L? 2.A 0.456-9 sample of an ore is analyzed for chromium and found to contain 0.560 mg Cr2O3. Express the concentration of Cr2O3 in the sample as (a) percent, (b) ppt, (c) ppm
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