The Student t-test can be used for comparison of an experimental mean with the t

Question

The Student t-test can be used for comparison of an experimental mean with the true value, at a certain confidence level. When the t-test reveals no significant difference between the mean and the true value at the accepted confidence level, the implication is that no significant systematic error is likely to be present, a random error is not likely to be present, the random error is likely to be less than the systematic error, a different confidence level should be tested. If the solubility product constant of silver arsenate is 1.0 times 10^23, the molar solubility of Ag_3AsO_4 is

Explanation / Answer

2.

Ksp = [Ag+]^3[AsO4]

Ksp = 10^-23

find S

10^-23 = (3S)^3(S)

27S^4 = 10^-23

S = ((10^-23)/27)^(1/4) = 7.801157*10^-7

nearst is B

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