Determine the minimum concentration of the mg2+
Determine the minimum concentration of the Mg2+ that must be added to the 0.10 M NaF in order to initiate a precipitate of the magnesium fluoride (for MgF2, Ksp = 6.9 x10-9)
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(i) Determine the integer n which explains the harmonic whose frequency is 415.0 Hz? (ii) Determine the length of the tube?
A 27.6 ml volume of chlorine gas is collected over water at the 23C and 750 torr. The vapor pressure of water is 21 torr. The mass of the gas is 78.4 mg.
What molar ratio of CH3COOH to CH3COONa should be used, suppose you are asked to go into the lab and prepare an acetic acid -sodium acetate buffer solution with a pH of 4.00 ±0.02.
(i) Determine the average horizontal component of the force which the ground applies on the runner's shoes?
Skech a graph. Which confidence interval yields a more precise estimate of the population mean? Explain your answer.
Explain what would the pressure in the bulb be, in mmHg, if the number of moles were reduced to 8.51x10e-4 mol?
The chain engages having a front sprocket 15.2 cm in diameter and a rear sprocket 6.25 cm in diameter. Compute the speed of the bicycle relative to the road.
What is the V displaced by the Oxygen if atm is 738mmHgand temp is 25 Celsius and the oxygen gas from the decomposition of 1 g of KNO3 was collected over the water.
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