Question

1.The lowest category of classification is _________.

2.What is the mass of 0.5 moles of water molecules ??

Please give correct and otherwise I delete rubbish answers....✓✓✓

Answer 1

1. the lowest category of classification is species
2.moles = mass / molar mass
no. of molecules= no. of mol * Avogadro's number

no.of moles = 5/10*18
= 1/36
no.of molecules= 1/36*6.022*10rais to power 23
=0.1672*100000000000000000000000(23times)

Answer 2

Answer:

I don't know

plz mark me as brainlist