Which material does not melt at any temperature? a. ethanol, a molecular compound b. iron, a metallic element c. sodium chloride, an ionic compound d. wood, a mixture of different substance

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

How many molecules are in 6.0 moles of methane

Convert .347 kilometers to miles show your work