Question

28 g of iron shot is added to a graduated cylinder containing 40cm of water. The water level rises to the 44cm mark. From this information, calculate the density of iron.

Answer 1

$\huge\fbox{Answer ☘}$

Volume of water displaced = Volume of shape

‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎‎ ‎ ‎ ‎ ‎$\bold{⇢ ( \:44 \:- \:40\: ) \:mL}\\\bold{⇢ 4 \:mL}$

Weight = 28 g

$\bold\blue{density = \frac{mass}{volume}} \\ \\ \pink{ ⇢ \cancel \frac{28}{4} }\\ \\ \pink{⇢ 7 \: g \: ml {}^{ - 1}}$

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