50 mL of a 0.100 mol dm^-3 iron (III) nitrate solution is prepared using 15mL of a stock solution. What is the concentration of the stock solution? (1)

Motivation cannot be developed with practice; a person either possesses it or they do not.

How much energy is made when a pice of wood burns. how do you know

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of