Which of the following is a valid mole ratio from the balanced equation 2Fe2O3 + 36 - 4Fe + 3CO2? 4 mol C 3 mol Fe 2 mol Fe, 4 mol C 3 mol C 4 mol CO2 4 mol Fe 3 mol CO2

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.

Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m

Convert .347 kilometers to miles show your work