The mass ratio of sodium to fluorine in sodium fluoride is 1.21: 1. a sample of sodium fluoride produced 32.5 \({\rm g}\) of sodium upon decomposition. how much fluorine (in grams) was formed? .

Which characteristics can be used to differentiate star systems? check all that apply.

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign

What is the most important factor in determining climates.