WILL RECIEVE MEDAL!If 1.2 kilograms of rust form on a bridge in five days, what should be the rate of reaction in grams per hour? (Recall that a bar over the number means that zero is significant.)

100(first zero has bar over it) g/hr
0.05 g/hr
0.010 g/hr
10(zero has bar over it) g/hr

Question

WILL RECIEVE MEDAL!If 1.2 kilograms of rust form on a bridge in five days, what should be the rate of reaction in grams per hour? (Recall that a bar over the number means that zero is significant.)

100(first zero has bar over it) g/hr
0.05 g/hr
0.010 g/hr
10(zero has bar over it) g/hr

aaronq · Answer

5 days = (5x24) hours
1.2 Kg = (1.2x1000)g

divide grams by hours.

anonymous · Answer

Thank You!