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[DOCX File]k12s.phast.umass.edu
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6. A 125 g sample of brown rice containing 256 ppb of inorganic arsenic was milled to remove the bran and convert it to white rice. The material was sieved to separate the rice and the bran. The white rice weighed 110 g. The bran material was analyzed and found to contain 824 ppb of inorganic arsenic.
grams to ppm conversion

[DOC File]3-12
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Jul 02, 2010 · The problem asks for grams of fluoride. So we need to convert the concentration to moles per liter, multiply by the volume to get total moles and convert moles to grams of fluoride. a) 1.6 ppm is 1.6 x 10-6 g/g of solution or 1.6 mg / kg of solution. For water, 1 L has a mass of 1 kg.
100 ppm to grams

[DOC File]Chemistry Enhanced Scope & Sequence
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Unknown solution 4: 4.0 grams of Ba(NO3)2 dissolved in 100 mL of distilled water. Unknown solution 5: 4.5 grams of NaI dissolved in 100 mL of distilled water. Unknown solution 6: 7.5 grams of K2CO3 dissolved in 100 mL of distilled water. Unknown solution 7: 5.8 grams …
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[DOCX File]Academic Web | Chadron State College
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The concentrations of very dilute solutions are often expressed in parts per million (ppm), which is grams of solute per 106 g of solution, or in parts per billion (ppb), which is grams of solute per 109 g of solution. For aqueous solutions at 20°C, 1 ppm corresponds to 1 μg per milliliter, and 1 ppb corresponds to 1 ng per milliliter.
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[DOCX File]www.hauppauge.k12.ny.us
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I can use Reference Table T to calculate the concentration of a solution in ppm.What is the concentration, in ppm, of a 2600 g of solution containing 0.015 g of CO2? 5.7 ppm _____19.
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[DOC File]OER University
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37) Which of the following setups would convert centimeters to feet? A) cm × × B) cm × × C) cm × × D) cm × × E) cm × × Answer: C. Objective: 2.6. Global Outcomes: GO2. 38) The EPA limit for lead in the soil of play areas is 400 ppm. This is the same as . A) 400 mg …
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[DOC File]Chemistry 101L - Home - Boyd County Public Schools
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From this information calculate the solubility of each compound in grams of solute per 100 grams of solution and fill in Table 1. Convert the solubility you calculated for your compound from parts of solute in 100 parts of solution (pph or %) to parts of solute in one million parts of solution (ppm).
ppm to g

[DOC File]Arnoldi
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Third, convert the liters to grams: (It’s water!) 41.6 g ( 41.6 g ( 41.6 g. L 1000mL 1000g. Finally, calculate the % by mass: g acid X 100 = (41.6 g) X 100 = 4.16 %. g …
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[DOC File]QUALITY ASSURANCE MANUAL
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1. Prepare 1 L of 100 ppm standard from the 1000 ppm stock solution (100 mL of 1000 ppm stock ÷ 900 mL of D-l H20). 100 ppm standard stores for up to 6 months. 2. Prepare 2 L of 10 ppm standard from the 100 ppm standard (200 mL of 100 ppm ÷ 1800 mL of D-l H20). Stores up to 2 weeks. 3.
grams to ppm conversion

Convert ppm to grams calculator