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- A solution of potassium chromate of unknown concentration was analyzed against a standard of various concentrations. What is the linear equation of the standard curve from the given data? Table 1. Data for Standard Calibration Curve Potassium chromate 4 Absorbance at 425 nm Standard (mol/Liter) 0.00040 0.100 0.00080 0.301 0.00120 0.478 0.00160 0.787 0.00200 0.989 O y = 431.59x +0.9899 O y = 0.9919x + 0.731 O y = 566x -0.1482 Oy = 566x + 0.1482 none of the aboveI want a abstract of the hardness experiment and an explanation of the theory and objectives Thank youThe researcher extracts a sample of well water and prepares it for TXRF analysis with a 10.00 mg/L V internal standard, like the calibration standards. The result produces SCa = 69297.81 and SV = 13481.2.Determine the concentration of Ca.
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- What is the value (g) of the reduced mass of HF? A.)20 B.)0.95 C.)1.05 D.)3.80 × 10^2Optimum cell concertation is very important for successful bone marrow culture. A technologist received 2.7 ml bone marrow specimen with concentration 20 x 10^6 cell/ml, she add 1ml this bone marrow to 9 ml Marrow-Max culture medium to set up a bone marrow culture. What is final cell concentration in this bone marrow culture?If the cells were spread out into a thin layer that was a single cell thick, what would be the total surface area ( in square meters) for the top side of the cell layer ? Be sure your answer has the correct number of significant digits? ……m^2pls help me