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Moles and Avogadro's Number

Concept of Mole | Avogadro's Number | Atoms and Molecules | Don't Memorise

0.0076 moles of an ideal gas is at 24°C. If it is a sealed container with a volume of 86 cm3, what is the pressure of the gas?

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If the molar mass of hydrogen is 1.008 g/mol, what is the mass (in grams) of 2 hydrogen atoms?<img src="https://static.studychannel-prd.pearsonprd.tech/courses/physics/thumbnails/images/39d1385b"alt=""/>

How many moles are in a <math display="inline"><mrow><mn>7.0</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">kg</mi></mrow></math> block of lead?

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A rigid container has a volume of <math display="inline"><mrow><mn>0.14</mn><mo rspace="thickmathspace">&#x2062;</mo><msup><mi mathvariant="normal" class="MathML-Unit">m</mi><mn>3</mn></msup></mrow></math>. It contains a <math display="inline"><mrow><mn>200</mn><mo>&#x00B0;</mo><mi mathvariant="normal" class="MathML-Unit">C</mi></mrow></math> ideal gas at <math display="inline"><mrow><mn>1.2</mn><mo rspace="thickmathspace">&#x2062;</mo><mi mathvariant="normal" class="MathML-Unit">atm</mi></mrow></math>. How many moles are in the container?

Avogadro's Number, The Mole, Grams, Atoms, Molar Mass Calculations - Introduction

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