Three teaspoons of sucrose(17.1 g) is dissolved in hot water to make a total volume of 250 ml solution. calculate the molarity

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very confused on what to do

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.

What is the atomic number of an atom that has 6 protons

What is the name of the enzyme that forms at the start of transcription?