Question

An alloy contain 20 copper 35 zinc and rest as nickel in 1.5 kg alloy find quantity the alloy​

Answer 1

Answer:

$Answer: The amount of nickel in the alloy is 0.675 kg</p><p></p><p>Explanation:</p><p></p><p>We are given:</p><p></p><p>Percentage of copper in alloy = 20 %</p><p></p><p>Percentage of zinc in alloy = 30 %</p><p></p><p>Percentage of nickel in the alloy = [100-(20+35)]=45\%[100−(20+35)]=45%</p><p></p><p>To calculate the mass of nickel in alloy, we use the equation taht is used to calculate percentage composition, which is:</p><p></p><p>\%\text{ composition of nickel}=\frac{\text{Mass of nickel}}{\text{Mass of sample}}\times 100% composition of nickel=Mass of sampleMass of nickel×100</p><p></p><p>Mass of alloy = 1.5 kg = 1500 g     (Conversion factor:  1 kg = 1000 g)</p><p></p><p>Percentage composition of nickel = 45 %</p><p></p><p>Putting values in above equation, we get:</p><p></p><p>\begin{gathered}45\%=\frac{\text{Mass of nickel}}{1500g}\times 100\\\\\text{Mass of nickel}=\frac{45\times 1500}{100}=675g=0.675kg\end{gathered}45%=1500gMass of nickel×100Mass of nickel=10045×1500=675g=0.675kg</p><p></p><p>Hence, the mass of nickel in given alloy is 0.675 kg</p><p></p><p>$