A sample of 0.0400 mol potassium hydroxide, KOH was dissolved in water to yield 20.0 mL of solution. What is the molarity of the solution? 0.4M
250M
2.0M
2.00x 10-3M

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the