Methyl chloromethyl ether is an organic compound with the formula CH3-O-CH2Cl. This liquid is a very good solvent and it has a density of 1.0605 g/cm3at 20 ºC and a molar mass of 80.52. g. a) What is the mass in grams of 8.2 x 1011molecules of this compound? b) What is the mass in grams of the oxygen present in 6.47 cm3of this liquid. c) How many hydrogen atoms are there in 2.3 x 1019molecules of methyl chloromethyl ether? d) How many molecules of methyl chloromethyl ether are there in 13 drops of this solvent?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

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.