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1 2 لها Questions How many grams of NaCl are needed to prepare 200 mL of a 5% NaCl solution? A50μL sample is added to 350 µL diluent, What is the dilution factor? How many grams of NaCl are needed to prepare 500 mL of a 2 M NaCl solution? Express the answer in 2 decimal place. Answer

1 2 لها Questions How many grams of NaCl are needed to prepare 200 mL of a 5% NaCl solution? A50μL sample is added to 350 µL diluent, What is the dilution factor? How many grams of NaCl are needed to prepare 500 mL of a 2 M NaCl solution? Express the answer in 2 decimal place. Answer

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Given: Na = 23.0; Ca = 40.0; Cu = 63.5; H = 1.0; S = 32.0; C1 = 35.5; O= 16.0 Part I. Laboratory Mathematics Questions How many grams of NaCl are needed to prepare 200 mL of a 5% NaCl solution? 1 2 3 4 7 8 9 10 11 12 A50μL sample is added to 350 µL diluent, What is the dilution factor? How many grams of NaCl are needed to prepare 500 mL of a 2 M NaCl solution? Express the answer in 2 decimal place. How many millilitres are in 100 liters? Express the answer in scientific notation. How many liters are in 0.1 mL? Express the answer in scientific notation. Convert 37°C to °F. A sample of 100 Unit/L is diluted 1 in 10, what is the concentration of the final solution? 2.0 mL of plasma, 3.0 mL of reagent, and 5.0 mL distilled water are mixed together, what is the dilution of the plasma in the final solution? A sample has been diluted 1 in 5 dilution with a final concentration of 5 Units/L, what is the original concentration? You are required to prepare 1 in 10 dilution using 0.5 mL plasma, how much diluent do you need? Answer How to prepare 200 mL of 5% albumin solution from 50% albumin? Equation: Volume of 50% albumin required: Volume of solution (water) required: How many grams of CaCl₂ 2H₂O are needed to prepare 200 mL of a 0.2 M CaCl₂ solution? 1 mole of CaCl₂-2H₂O equals to: Equation: CaCl2-2H₂O required in grams with one decimal places:
Transcribed Image Text:Given: Na = 23.0; Ca = 40.0; Cu = 63.5; H = 1.0; S = 32.0; C1 = 35.5; O= 16.0 Part I. Laboratory Mathematics Questions How many grams of NaCl are needed to prepare 200 mL of a 5% NaCl solution? 1 2 3 4 7 8 9 10 11 12 A50μL sample is added to 350 µL diluent, What is the dilution factor? How many grams of NaCl are needed to prepare 500 mL of a 2 M NaCl solution? Express the answer in 2 decimal place. How many millilitres are in 100 liters? Express the answer in scientific notation. How many liters are in 0.1 mL? Express the answer in scientific notation. Convert 37°C to °F. A sample of 100 Unit/L is diluted 1 in 10, what is the concentration of the final solution? 2.0 mL of plasma, 3.0 mL of reagent, and 5.0 mL distilled water are mixed together, what is the dilution of the plasma in the final solution? A sample has been diluted 1 in 5 dilution with a final concentration of 5 Units/L, what is the original concentration? You are required to prepare 1 in 10 dilution using 0.5 mL plasma, how much diluent do you need? Answer How to prepare 200 mL of 5% albumin solution from 50% albumin? Equation: Volume of 50% albumin required: Volume of solution (water) required: How many grams of CaCl₂ 2H₂O are needed to prepare 200 mL of a 0.2 M CaCl₂ solution? 1 mole of CaCl₂-2H₂O equals to: Equation: CaCl2-2H₂O required in grams with one decimal places:
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