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Chapter 1: Q91E (page 64)

Calculate these volumes.

a) What is the volume of 25g of iodine, density = 4.93 g/cm3?

b) What is the volume of 3.28 g gaseous hydrogen, density = 0.089 g/L?

Short Answer

Expert verified

a) Volume of iodine = 5.1 mL

b) Volume of gaseous hydrogen = 37 L

Step by step solution

01

Determine the volume of iodine

It is given that

Density = 4.93 g/cm3

Mass = 25g

\(\begin{aligned}{}Density &= \frac{{mass}}{{volume}}\\mass &= density \times volume\\25g &= 493c{m^3} \times volume\\volume &= 0.051c{m^3}\\ &= 5.1\,mL\end{aligned}\)

02

Determine the volume of gaseous hydrogen

It is given that

Density = 0.089 g/L

Mass = 3.28 g

\(\begin{aligned}{}Density &= \frac{{mass}}{{volume}}\\mass &= density \times volume\\3.28g &= 0.089g/L \times volume\\volume & =37L\end{aligned}\)

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Most popular questions from this chapter

Of the five elements Sn, Si, Sb, O, Te, which has the most endothermic reaction? (E represents an atom.) What

name is given to the energy for the reaction?

\({\bf{E}}(g) \to {{\bf{E}}^ + }(g){\rm{ }} + {\rm{ }}{{\bf{e}}^ - }\)

Express each of the following numbers in exponential notation with correct significant figures:(a) 704

(b) 0.03344

(c) 547.9

(d) 22086

(e) 1000.00

(f) 0.0000000651

(g) 0.007157

How does a homogeneous mixture differ from a pure substance? How are they similar?

How do molecules of elements and molecules of compounds differ? In what ways are they similar?

Question: Calculate the density of aluminum if 27.6 cm3 has a mass of 74.6 g.

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