Given the reaction fe203 + 3 co 2 fe + 3co2 if 12.0 moles of co2 are made then how many moles of co were used

a.)12.0 moles

b.) 6.0 moles

c.) 4.0 moles

d.)3.0 moles

V1t2 = v2t1 is an expression of who’s law

Asolution is made by dissolving 25.5 grams of glucose (c6h12o6) in 398 grams of water. what is the freezing point depression of the solvent if the freezing point constant is -1.86 °c/m? show all of the work needed to solve this problem.

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83