Question

Calculate the number of moles 20cmcubic of 0.1M nitric acid

Answer 1

Answer:

Answer:2×10^-3 moles

Explanation:

20cm^3=20ml=1/50L

0.1M HNO3 means

0.1 moles HNO3 in 1L solution

X moles in 1/50L

X=0.1/50=0.01/5=0.002moles=2×10^-3moles