2.65 g of solid sodium carbonate is dissolved in just enough water to make 250cm³ of standard solution. calculate the concerntration of the sodium carbonate standard solution.

Question was not very clear if there are specific answer choices tell me and i'll try to you more. hope this though2 laps is 1 min. we know that for each min she does two times the amount of laps. for 12 laps we can do 12/2 which does give us 12 laps in 6 mins not 16 mins.

Amethod of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.

Answer8.0m;

You yeah with the side of the yeah with a little bit of yeah.