Question

Find the formula mass of Cu(No3)2

Answer 1

Answer:

187 g/mol

Explanation:

by putting the mass of copper , nitrogen and oxygen on the formula

Answer 2

$\huge{\red{\mathfrak{\underline{\underline{AnSwEr}}}}}$

⇢Cu has an atomic weight of 63 g/mol

⇢N has an atomic weight of 14 g/mol

⇢O has an atomic wight of 16 g/mol

Now,

63 + (14 + 16*3)*2

= 63+(14+48)*2

=63+124

=187 amu

▭▬▭▬▭▬▭▬▭▬▭▬▭▬▭▬▭▬▭

Hope its help

Please mark me as brainliest (◠‿◕)