Hi! Can someone help me with this question ASAP! Calculate the mass of Li2CrO4 that is required to react and precipitate all the Hg ions from 85.0 ml of a 0.2 M solution of HgNO3 ?

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )

i think its 100

i hope this !

the answer is d.) potassium