An unknown metal nitrate with the formula M(NO3)2 was dissolved in water and treated with excess aqueous sodium sulfate. The total amount of sulfate salt produced in this reaction had a mass of 10.199 g. The initial mass of the metal nitrate sample was 12.294 g. Assuming that the reaction goes to completion, determine the number of moles of the sulfate salt produced.

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