Determine the molarity of the acid solution
50 mL of HNO3 requires 35.50 mL ofBa(OH)2 0.150 M to neutralize it. Determine the molarity of the acid solution. Write the adjusted chemical equation.
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What are (a) the magnitude of the cat's centripetal acceleration and (b) the magnitude of the cat's average acceleration during the time interval t2 - t1, which is less than a period of the motion?
An enzyme catalyzed reaction is carried out in a 50 mLsolution containing 0.1 M TRIS buffer. The pH of the reactionmixture at the start was 8.0. As a result of the reaction, 00002mole of H+ were produced.
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Two independent random samples resulted in the following. Find the estimate for the standard error for the difference between two means. (Give your answer correct to two decimal places.) Sample A: nA = 29, sA = 9 Sample B: nB = 30, sB = 11.5
Find the 98% confidence interval for the difference between two means based on this information about two samples. Assume independent samples from normal populations.
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The purity of a sample containing zinc and weighing 0.198 g is determined by measuring the amount of hydrogen formed when thesample reacts with an excess of hydrochloric acid.
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