A beaker contains 1.5 x 10^23 zinc atoms. How many moles of zinc are present in the beaker?

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What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.