<span>If a solution conducts electricity, it it positive evidence that solute dissolved in solvent is electrolyte.</span>
Answer:
Forensic drug chemists analyze samples of unknown materials including powders, liquids and stains to determine the chemical identity or characteristics of the compounds that make up the sample. samples submitted as evidence in a drug-related case can contain one compound or a mixture of many compounds.
Answer:
33 g.
Explanation:
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In this case, for these particle-mole-mass relationships problems, it is necessary for us to recall the following equivalence statement, based off the molar mass of the involved compound, C3H8, one mole of particles and the Avogadro's number:

In such a way, we can set up the following expression for the calculation of the mass in the given particles of propane:

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Gamma rays have the highest penetrating power so it can only be stopped by thick layers of dense metal. :)