2. A calibration curve has a least-squares equation Pe=1.48(ppm Ca2+). A neat water sample was analyzed...

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2. A calibration curve has a least-squares equation Pe=1.48(ppm Ca2+). A neat water sample was analyzed...

2. A calibration curve has a least-squares equation P_e=1.48(ppm Ca²⁺). A neat water sample was analyzed by flame photometry. The Emitted Power was measured to be 14.4. What is the hardness of the water sample in ppm CaCO₃?

Report answer to one decimal places. Do not enter units.

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Answer 1

Answer #1

Given Data of the sample: Pe = 1.48 (ppm (a +2) in flame photometry the sample must be diluted measuring cylinder that volume hardness =129.7 (without units)

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Answer 2

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1. A calibration curve has a least-squares equation Pe=1.38(ppm Ca2+). A neat (undiluted) water sample was...

1. A calibration curve has a least-squares equation Pe=1.61(ppm Ca2+). A 29.42-mL aliquot of an unknown...

Question 6 (2 points) A calibration curve has a least-squares equation Pe=1.50(ppm Ca2+). A 30.00-ml aliquot...

2. A calibration curve has a least-squares equation Pe=1.48(ppm Ca2+). A neat water sample was analyzed...

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1. A calibration curve has a least-squares equation Pe=1.38(ppm Ca2+). A neat (undiluted) water sample was...

1. A calibration curve has a least-squares equation Pe=1.61(ppm Ca2+). A 29.42-mL aliquot of an unknown...

Question 6 (2 points) A calibration curve has a least-squares equation Pe=1.50(ppm Ca2+). A 30.00-ml aliquot...

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2. A calibration curve has a least-squares equation Pe=1.48(ppm Ca2+). A neat water sample was analyzed...