What mass of sodium hydroxide "Na(OH)" is needed to react with 22.8 grams of hydrochloric acid "HCl"? Na(OH) + HCl ® NaCl + H2O(not balanced!!!)

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o