show your working please
-
This is simple division, if you watch your units.
2 M is 2 moles/L
40 mmol is 0.040 moles. Divide the two in a way that makes moles disappear and leaves L
0.040 mol / 2 mol/L is 0.020 L or 20 mL
2 M is 2 moles/L
40 mmol is 0.040 moles. Divide the two in a way that makes moles disappear and leaves L
0.040 mol / 2 mol/L is 0.020 L or 20 mL
-
2M is contained in1000cm3 40m 1000*2/40=50cm3