Preskoči na glavni sadržaj
Prijava
Sign up for FREE
arrow_back
Biblioteka

Definite Proportions

star
star
star
star
star
Posljednje ažuriranje almost 6 years ago
7
1
Pitanje 1
1.

Water is always 11.19% hydrogen and 88.81% oxygen by mass. Calculate the mass of hydrogen and the mass of oxygen in 1000 grams of water.

1
1
1
1
1
1
Pitanje 2
2.

Water is always 11.19% hydrogen and 88.81% oxygen by mass. Calculate the mass of hydrogen and the mass of oxygen in 723.65 grams of water.

Pitanje 3
3.

Water is always 11.19% hydrogen and 88.81% oxygen by mass. Calculate the mass of hydrogen and the mass of oxygen in 32 lbs of water.

Pitanje 4
4.

Water is always 11.19% hydrogen and 88.81% oxygen by mass. Why can't we calculate the mass of hydrogen and the mass of oxygen in 24,000 gallons of water? What other information would we need?

Pitanje 5
5.

Copper oxide is always 79.85% copper and 20.15% oxygen by mass. Calculate the mass of copper and the mass of oxygen in 1000 grams of copper oxide.

Pitanje 6
6.

How many grams of water would be produced if we reacted 1000g of copper oxide with hydrogen?

Pitanje 7
7.

How many grams of hydrogen would we need?