What volume of 0.500 M aqueous HCI must be added to 5.60 g of solid calcium oxide, CaO, to react with all of the CaO? The reaction is as follows:
CaO(s) + 2HCl(aq) --> CaCl2(aq) + H2O(1)
(00.100 L
D0.200 L
0.300 L
boy
0.400 L
0.500 L

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?