Which solution contains 0.1 mol of sodium hydroxide? C. 100 cm3 of 1.0 mol dm-3 NaOH
D. 1000 cm3 of 1.0 mol dm-3 NaOH
B. 10 cm3 of 0.1 mol dim-3 NaOH
A. 1 cm3 of 0.1 mol dm-3 NaOH

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

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.

What best discribes the relationship between wavelength and frequency in a electromagnetic wave