AQA Chemistry Paper 1- Quantitative Chemistry

What is the relative formula mass of CO₂?

• 44
• 32
• 16
• 56

Calculate the number of gold atoms in a 4 mole sample of gold.

• 2.41x10²⁴
• 3.01x10²³
• 4.82x10²⁴
• 6.02x10²³

Tags

NGSS.HS-PS1-7

Calculate the % composition by mass of oxygen present in H₂SO₄.

• 16.3%
• 65.25%
• 32.6%
• 57.14%

Calculate the mass of oxygen present in a 55g sample of Aluminum oxide, Al₂O₃.

• 29.28
• 19.95
• 11.36
• 32.33

Tags

NGSS.HS-PS1-7

Which represents the greatest mass of sulfur?

• 1 gram of sulfur
• 1 molecule of sulfur
• 0.5 mole of sulfur
• 6.02 x 10²³ atoms of sulfur

What is the mass of one mole of aluminum?

• 27 g
• 13 g
• 54 g
• 14 g

Formula mass of KBr

• 119
• 117g
• 54
• 62g

Moles of Al₂O₃ in 40g

• 40%
• 0.39
• 4080
• 2.55

How much CO₂ could you make from 6g of C?
C + O₂ --> CO₂

• 12g
• 44g
• 22g
• 32g

Tags

NGSS.HS-PS1-7

Mass of one mole of Mg(OH)₂

• 58g
• 42g
• 82g
• 41g

Tags

NGSS.HS-PS1-7