Explain how much is the weight of na2co3 in the unknown
Explain how much is the weight of Na2CO3 in the unknown when .7316g of an unknown carbonate (contains K2CO3 and Na2CO3) is dissolved and diluted to 100mL. 25mL of this solution is titrated with 31.6mL of 0.09572M HCl.
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Suppose you react this mixture with an excess of oxygen to form 5.779g of Fe2O3. Consider a 5.43g mixture of FeO and Fe3O4. Determine the percent by mass of FeO in the original mixture.
A plum is positioned at coordinates (-3.36 m, 0, 3.40 m). In unit-vector notation, find out the torque about the origin on the plum when that torque is due to a force whose only component is (i) Fx = 1.96 N, (ii) Fx = -1.96 N, (iii) Fz = 1.96 N an
Based on the model, every additional family member increases predicted costs by how much? Based on significance F-test, is the model good prediction equation?
What is the concentration of the silver nitrate solution when 10.00 mL of silver nitrate solution is titrated to the equivalence point with 8.50 mL of a 0.1100 M HCL solution.
A small metal sphere carrying a total charge of q1= -2.8C, is held in a stationary position through insulating supports. A second small metal sphere, having a total charge of q2 = -7.8C with a mass of 1.5g, is projected in the direction of q1.
Explain what factor favors the reaction at the primary carbon, and what factor favors the reaction at the tertiary carbon." "1-Chloro-3-methyl-2-butene reacts with ethanol in a Sn1 fashion to yield a mixture of1-ethoxy-3-methyl-2-butene and 3-eth
Make a profit payoff table from Transrail's point of view. For this payoff table find out Transrail's optimal decision using (1) the conservative approach, (2) the optimistic approach.
Four uniform spheres having masses mA = 550 kg, mB = 200 kg, mC = 1800 kg and mD = 100 kg, encompass (x, y) coordinates of (0, 50 cm), (0, 0), (-80 cm, 0) and (40 cm, 0), correspondingly. Find out the total gravitational force on sphere B due to t
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