Determine the mass of the original magnesium chloride
Determine the mass of the original magnesium chloride sample when a sample of MgCl2 is dissolved in the water, and the solution is then treated with an excess of AgNO3 to yield 1.92g of AgCl.
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Find out the five compounds of N, H and O described below. For each compound write a Lewis structure that is consistent with the information given.
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Does the melting point give such information? What evidence do you have that your product consists of a single geometric isomer or a mixture of isomers?
Suppose that the paired data came from population that is normally distributed. Using 0.05 significance level determine the mean value of the differences d for the paired sample data, the standard deviation of the differences d for paried sample d
Explain why do you extract the organic solution with the aqueous solution 3 times with15mL rather than just once with 45 mL? Discuss which layer upper, or lower will each of the following solvents usually produce when used to extract a dilute aque
A machine is employed to fill containers with the liquid product. Fill volume can be supposed to be normally distributed. A random sample of ten containers is chosen, and the contents (oz) are as follows: 12.03, 12.01, 12.04, 12.02, 12.05, 11.98,
Write down the structures of the three geometric isomers of dibenzal acetone and assign each one to the three molecules described. Disregard single trans and bond cis isomerism.
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