Mass Conversion

2 Al + 3 Cl₂ → 2 AlCl_3. we have 123.2 g of Cl₂ how many grams of AlCl₃ we will get when the reaction is complete

• 387.66 gram of AlCl₃

• 277.81 gram of AlCl₃

• 1.159 gram of AlCl₃

• 321.2 gram of AlCl₃

Tags

NGSS.HS-PS1-7

What mass of Mg will be produced when 86.4 g of K are reacted?

MgCl₂(s) + 2 K(s) → Mg(s) + 2 KCl(s)

• 3.77 g Mg

• 2.31 g Mg

• 1.42 g Mg

• 7.37 g Mg

• 3.44 g mg

Tags

NGSS.HS-PS1-7

What mass of CO₂ is produced by the combustion of 1.00 mol of CH₄?

• 41.23 g Co₂

• 87 .2 g CO₂

• 44 g CO₂

• 23 g CO₂

• 53 g CO₂

What mass of O₂ can be generated by the decomposition of 100.0 g of NaClO₃?

2 NaClO₃ → 2 NaCl(s) + 3 O₂(g)

• 29.3 g O₂

• 45.1 g O₂

• 34.6 g O₂

• 32.3 g O₂

• 66.6 g O₂

Tags

NGSS.HS-PS1-7

What mass of Fe₂O₃ must be reacted to generate 324 g of Al₂O₃?

Fe₂O₃(s) + 2 Al(s) → 2 Fe(s) + Al₂O₃(s)

• 921 Fe₂O₃

• 654 Fe₂O₃

• 432 g Fe₂O₃

• 233 gFe₂O₃

• 507 g Fe₂O₃

Tags

NGSS.HS-PS1-7

If 83.9 g of ZnO are formed, what mass of Mn₂O₃ is formed with it?

• 634 g

• 163 g

• 125 g

• 342 g

• 234 g

Tags

NGSS.HS-PS1-7

If 88.4 g of CH₂S are reacted, what mass of HF is produced?

• 76.7 g

• 63.5 g

• 43.4 g

• 27.6 g

• 34.3 g

Tags

NGSS.HS-PS1-7

How many grams of hydrogen gas are needed to produce 105.0 grams of water, given the following unbalanced chemical reaction:

H₂ + O₂ ---> H₂O

• 15.23 g of H₂

• 12.32 g of H₂

• 11.75 g of H₂

• 10.32 g of H₂

Tags

NGSS.HS-PS1-7

How many grams of chlorine can be liberated from the decomposition of 64.0 g. of AuCl₃ by this reaction

• 23.3 g

• 12.1 g

• 25.6 g

• 35.6 g

• 22.4 g

Tags

NGSS.HS-PS1-7

Calculate the mass of AgCl that can be prepared from 200. g of AlCl₃ and sufficient AgNO₃, using this equation:

3AgNO₃ + AlCl₃ ---> 3AgCl + Al(NO₃)₃

• 326 g

• 722 g

• 345 g

• 645 g

• 456 g

Tags

NGSS.HS-PS1-7