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What substance has a mass of 9.5g and volume of 2.1cm^3

Substance 33°f 100°f peanut oil solid liquid margarine solid liquid chocolate chips solid liquid which conclusion fits the data in the table? a. heat chemically changes chocolate and margarine. b. all solids become liquid at 100°f. c. removing heat from a substance it to melt. d. matter may change shape when it is heated.

How many grams of sodium chloride are in 250ml of a 2.5m naci solution