What is the % by mass (m/m) of copper in an alloy when 10 g of Cu is mixed with 250 g of Zn?

What is the % by mass (m/m) of copper in an alloy when 10 g of Cu is m

1.	What is the % by mass (m/m) of copper in an alloy when 10 g of Cu is mixed with 250 g of Zn?
Answer» <html><body><p>is a chemical compound with the chemical <a href="https://interviewquestions.tuteehub.com/tag/formula-464310" style="font-weight:bold;" target="_blank" title="Click to know more about FORMULA">FORMULA</a> CH₄. It is a group-14 hydride and the <a href="https://interviewquestions.tuteehub.com/tag/simplest-1208711" style="font-weight:bold;" target="_blank" title="Click to know more about SIMPLEST">SIMPLEST</a> <a href="https://interviewquestions.tuteehub.com/tag/alkane-853353" style="font-weight:bold;" target="_blank" title="Click to know more about ALKANE">ALKANE</a>, and is the main <a href="https://interviewquestions.tuteehub.com/tag/constituent-930772" style="font-weight:bold;" target="_blank" title="Click to know more about CONSTITUENT">CONSTITUENT</a> of natural <a href="https://interviewquestions.tuteehub.com/tag/gas-1003521" style="font-weight:bold;" target="_blank" title="Click to know more about GAS">GAS</a>.</p></body></html>