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Laabri

Definite Proportions

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Last updated almost 6 years ago
7 Nsɛmmisa
1
Asemmisa {{asɛmmisaAhyɛnsode}}
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.

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Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
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?

Asemmisa {{asɛmmisaAhyɛnsode}}
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.

Asemmisa {{asɛmmisaAhyɛnsode}}
6.

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

Asemmisa {{asɛmmisaAhyɛnsode}}
7.

How many grams of hydrogen would we need?