Calculate the moles and hence mass of sodium carbonate
0.5054 grams of soda ash was diluted with 25 mL of water. It was titrated with 90.51 mL of 0.08042M HCl.Calculate the moles and hence mass of sodium carbonate in thesoda ash.
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There are 3 coins in a box. One is a two-headed coin, another is a fair coin, and the third is a biased coin that comes up heads 75 percent of the time. When one of the 3 coins is selected at random and flipped, it shows heads. What is the probabi
Two sound of 4W and 10W power are produced at ground level at a distance of 10m and 20m respectively from a listener.
Consider light that is refracted by a prism shaped like an equilateral triangle. The incident ray is parallel with the prism's base. What is the total deflection of the ray, given that the index of refraction of the prism material is 1.50 ?
Find the probability that Joe is early tomorrow. Given that Joe was early, what is the conditional probability that is rained?
A 150 N sled is pulled up a 28o slope at a constant speed by a firce of 100 N. What is the coefficient of kinetic friction between sled and slope?
Suppose now that bulbs are to be selected one by one until a 75-W bulb is found. What is the probability that it is necessary to examine at least six bulbs?
Apply the integral mass conservation equation between control surfaces 0 and 1 to find an equation for the area of the fluid jet striking the plate A1. Apply the integral momentum equation to find an equation for the equilibrium height ho.
The edges of a cube consist of equal resistors of resistance R, which are joined at the corners. Let a battery be connected to two opposite corners of a face of the cube. What is the efective resistance?
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