Preskoči na glavni sadržaj
Prijava
Sign up for FREE
arrow_back
Biblioteka

TGS - Percentage Yield Part 2 - JBI

star
star
star
star
star
Posljednje ažuriranje over 5 years ago
5
1
Pitanje 1
1.

Calcium reacts with hydrochloric acid to produce calcium chloride and hydrogen:

Ca (s) + 2HCl (aq) → CaCl2 (aq) + H2 (g)

Calculate the maximum theoretical mass of calcium chloride which can be produced from 40 g of calcium.

1
Pitanje 2
2.

In the above reaction, only 71 g of calcium chloride were produced. Calculate the percentage yield of the reaction. Give your answer to the nearest percent.

1
Pitanje 3
3.

Magnesium reacts with oxygen to form magnesium oxide:

2Mg (s) + O2 (g) → 2MgO (s)

What is the maximum mass of magnesium oxide that could be produced from 6 g of magnesium?

1
1
Pitanje 4
4.

Lithium reacts with hydrochloric acid to form lithium chloride and hydrogen:

2Li (s) + 2HCl (aq) → 2LiCl (aq) + H2 (g)

What is the maximum mass of lithium chloride which could be produced from 14 g of lithium metal?

Pitanje 5
5.

In the above reaction, 82 g of lithium chloride were produced. Calculate the percentage yield of the reaction. Give your answer to the nearest whole percent.