Molar mass Cu(OH)₂ = <span>97.561 g/mol
1 mol --------- 97.561 g
? mol ---------- 68 g
moles = 68 * 1 / 97.561
moles = 68 / 97.561
= 0.6969 moles
hope this helps!</span>
Answer:
h B i f M r
Explanation:
that was just my estimated guess but it seems right to me
Au is the symbol for gold. It comes from Latin word for gold, which is Aurunum. Its atomic number is 79.
Hydrogen and oxygen! Happy holidays btw