Question

PLEASE GUYS I NEED THIS ASAP

Express in moles:
a) 6.02.10²2 C₂H₂ molecules;
b) 1.80-1024 nitrogen atoms;
c) 3.01-1023 NH, molecules.
What is the molar mass of these substances?

Answer 1

a)0.1moles

b)2.99moles

c)0.5moles

expressed in molar mass

a)26g/mol

b)14g/mol

c)17g/mol

Step-by-step explanation:

remember

1mole=6.02×10^23