Answer:
40.5 g/mL
Explanation:
Density is a measure of a substance's mass over its volume.
d = m/v
Therefore d = 255.15g/6.3mL = 40.5 g/mL
Answer:
young plains called maria and are composed of basalt
Explanation:
Answer:
127.2 g/cm^3
Explanation:
(Think of the DMV triangle. I'll attach a picture)
Volume = Density x Mass
Volume = 2.12 g/cm3 x 60.0 g
Volume = 127.2 g/cm3
Hope this helps!!!
-Unicorns110504
*Please mark brainliest*
First convert grams to moles:
90.0g *(mole/39.997) = 2.250mole
Remember that molarity is moles per liters:
2.250mol/3L = .750 M