Question

The number of hydrogen atoms in 1.8 g of glucose is (C6H1206 = glucose)
(1)6.022 x 10power23
(2)6.022 x 10power21
(3)7.22 x 10power22
(4)7.22×10power23​

Answer 1

Moles of glucose=  

180

18

​  

=0.1 moles

Moles of glucose left=0.1−0.08=0.02 moles

∴ Mass of glucose left=0.02×180

=3.6g

is this correct ,or i dont know sorry

Answer 2

Answer:

Answer-

1)6022×10 power20

2)6022×10power18

3)722×1power20

4)722×10power21