Mass to Moles and Moles to Mass Using Mole Ratio

I use mole ratio (coefficients) from balanced chemical equation?

• True

• False

Tags

NGSS.HS-PS1-7

2Na + 2H₂O → 2NaOH+ H₂
How many grams of hydrogen are produced if 120 g of Na are available?

• 5.2 g

• 2.6 g

• 690 g

• 45 g

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

What is the mass of one mole of (NH₄)₂CO₃?

• 144g

• 138g

• 96g

• 74g

4.0 moles of H₂O would have what mass?

• 72 g

• 23 g

• 68 g

• 4.5 g

A mass of 6 g of Carbon contains

• mole of C

• moles of C

• moles of C

• moles of C

Given the equation: 2NaClO₃ (s) → 2NaCl (s) + 3O₂ (g) 2.00 moles of NaClO₃ will produce how many grams of O₂? (mass of O₂ = 32g/mol)

• 56 g of O₂

• 96 g of O₂

• 64 g O₂

• 32 g O₂

Tags

NGSS.HS-PS1-7

• 1:1

• 1:6

• 6:1

• 6:6

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

How many moles of water are produced from 2 moles of hydrogen gas in the reaction: @@2 ext{H}_2 + ext{O}_2 ightarrow 2 ext{H}_2 ext{O}@@?

• 1 mole

• 2 moles

• 3 moles

• 4 moles

Tags

NGSS.HS-PS1-7

• 1 mole

• 2 moles

• 3 moles

• 4 moles

Tags

NGSS.HS-PS1-7