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Which of the following statements regarding the mole is INCORRECT ?

A mole is a unit of quantity equal to 6.02 x 10 23 particles.

The number of particles in a mole is known as Avogadro’s number.

A mole of particles of an element is numerically equal to the atomic mass of the element.

The mass of one mole of an element is equal to

its atomic mass from the periodic table, but in grams.

its atomic number from the periodic table, but in amus.

its atomic mass from the periodic table, but in amus.

its atomic number from the periodic table, but in grams.

The mass of one mole of an element is equal to

its atomic mass from the periodic table, but in grams.

its atomic number from the periodic table, but in amus.

its atomic mass from the periodic table, but in amus.

its atomic number from the periodic table, but in grams.

Which reactant is the limiting reagent and why? 2H 2 (g) + O 2 (g) → 2H 2 O(l)

Hydrogen is the limiting reagent because two moles of hydrogen is required for every one mole of oxygen to produce two water.

Oxygen is the limiting reagent because two moles of hydrogen is required for every one mole of oxygen to produce two water.

1. What is a limiting reagent?

any reactant used up first in a reaction.

any reactant left over at the end of a reaction.

the maximum amount of product formed from a given amount of reactant.

The limiting reactant

is the reactant that is left over

controls the speed of the reaction

Chemistry-The Mole and Stoichiometry

Authored by Woodroe Kiser

Science

8th - 11th Grade

NGSS covered

Used 41+ times

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64 questions

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MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the

theoretical yield

mole ratio

actual yield

percentage yield

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the measured amount of a product obtained from a chemical reaction?

mole ratio

theoretical yield

percentage yield

actual yield

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Mole ratios are obtained from the

balanced chemical equation

periodic table

molar mass

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the mole ratio of H₂O to H₃PO₄ in the following chemical equation? P₄O₁₀ + 6 H₂O --> 4 H₃PO₄

6:4

4:6

1:3

3:1

Tags

NGSS.HS-PS1-7

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2Al + 3H₂SO₄ -> Al₂(SO₄)₃ + 3H₂
How many grams of aluminum sulfate would be formed if 250g H₂SO₄ completely reacted with aluminum?

0.85 g

290 g

450 g

870 g

Tags

NGSS.HS-PS1-7

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

For the reaction represented by the equation Cl₂ + 2KBr → Br₂ + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide?

749 g

225 g

479 g

814 g

Tags

NGSS.MS-PS1-5

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

How many grams are in 7.8 moles of NaCl?

476grams

460 grams

452 grams

462 grams

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Chemistry-The Mole and Stoichiometry

If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the

What is the measured amount of a product obtained from a chemical reaction?

Mole ratios are obtained from the

What is the mole ratio of H₂O to H₃PO₄ in the following chemical equation? P₄O₁₀ + 6 H₂O --> 4 H₃PO₄

2Al + 3H₂SO₄ -> Al₂(SO₄)₃ + 3H₂
How many grams of aluminum sulfate would be formed if 250g H₂SO₄ completely reacted with aluminum?

For the reaction represented by the equation Cl₂ + 2KBr → Br₂ + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide?

How many grams are in 7.8 moles of NaCl?

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from 6 moles H₂?

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from 6 moles of hydrogen molecule?

What is the molar mass of Mg(NO₃)₂

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Popular Resources on Wayground

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Chemistry-The Mole and Stoichiometry

If a chemist calculates the maximum amount of product that could be obtained in a chemical reaction, he or she is calculating the

What is the measured amount of a product obtained from a chemical reaction?

Mole ratios are obtained from the

What is the mole ratio of H2O to H3PO4 in the following chemical equation? P4O10 + 6 H2O --> 4 H3PO4

2Al + 3H2SO4 -> Al2(SO4)3 + 3H2How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?

For the reaction represented by the equation Cl2 + 2KBr → Br2 + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide?

How many grams are in 7.8 moles of NaCl?

Using the following equation:Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)How many moles of iron can be made from 6 moles H2?

Using the following equation:Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)How many moles of iron can be made from 6 moles of hydrogen molecule?

What is the molar mass of Mg(NO3)2

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science

What is the mole ratio of H₂O to H₃PO₄ in the following chemical equation? P₄O₁₀ + 6 H₂O --> 4 H₃PO₄

2Al + 3H₂SO₄ -> Al₂(SO₄)₃ + 3H₂
How many grams of aluminum sulfate would be formed if 250g H₂SO₄ completely reacted with aluminum?

For the reaction represented by the equation Cl₂ + 2KBr → Br₂ + 2KCl, how many grams of potassium chloride can be produced from 356 grams potassium bromide?

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from 6 moles H₂?

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from 6 moles of hydrogen molecule?

What is the molar mass of Mg(NO₃)₂