Determine the numbers of grams must be in the solution
If 43.0 mL of 0.220 M HCl solution is required to neutralize a solution of Ca(OH)2 determine the numbers of grams of Ca(OH)2must be in the solution?
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When a sample which is having 1.150 g of iron ore is treated with 50mL of HCl the iron dissolves in the acid to form a solution of FeCl3. The FeCl3 solution is diluted to 100mL and the concentration of Fe3+ ions is calculated to be .095 mol/L.
By submerging the system in a certain liquid we find out that the number of interference minima has raised to 45. Determine the index of refraction of the liquid?
Find out the mean and standard error of the x distribution. Find out p(x>67.50). Why is the formula needed to solve (A) different than (C)?
At a specific time t, the current through the resistor consists of its maximum value of 12.3 A, and then starts to fall. Just 0.00573 s later, the current via the resistance has fallen to 10.7 A. Determine the angular frequency of the generator?
The AC generator in the AC capacitor circuit makes a maximum potential difference across the capacitor of 175 V and an utmost current of 22.8 A. The frequency of the generator is around 977 Hz. When the potential difference across the capacitor at
Twenty students randomly assigned to experimental group receive instructional program; 30 in control group do not. After six months, both groups are tested on their knowledge. The experimental group has mean of 38 on the test (with estimated popul
Take the potential of the negative plate to be zero. When the potential halfway among the plates is then +5.6 V, determine the electric field (in V/m) in the area between the plates?
Determine the numbers of mL of 0.127M H2SO4 are required to neutralize 0.180 g of NaOH? If 56.6 mL of BaCl2 solution is required to precipitate all the sulphate ion in a 750 mg sample ofNa2SO4 Discuss the molarity of the solution?
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