What is the percentage by mass of solution formed by dissolving 27.0 grams of hcl in 102.0 grams of water? 26.5% 20.9% 18.2% 16.7%

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

How many miles of water are produced if 5.43 mol pbo2 are consumed

How many grams of phosphorus are contained in 5.09 moles of phosphorus?