Question

question for genius rank​

Answer 1

Answer:

3.971:1

Atomic mass of Cu=63.546μ

Atomic mass of O=16μ

In CuO, the proportion by weight is,

16

63.546

:

16

16

≡3.971:1

Answer 2

Answer:

CuO molecular weight

Molar mass of CuO = 79.5454 g/mol

Explanation:

This compound is also known as Copper(II) Oxide.

Convert grams CuO to moles or moles CuO to grams

Molecular weight calculation:

63.546 + 15.9994

Percent composition by element

Element Symbol Atomic Mass # of Atoms Mass Percent

Copper Cu 63.546 1 79.886%

Oxygen O 15.9994 1 20.114%