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Firlakuza [10]
3 years ago
13

What is Determine the mass of 2.40 moles of CoH12​

Chemistry
1 answer:
mash [69]3 years ago
7 0

Answer:

mass of CO 2 = M r x number of moles of CO 2 = 44.0 × 0.010 = 0.44 g

Explanation:

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goldenfox [79]
The answer is Hydrogen
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3 years ago
What happens to the food dye in hot water?
hoa [83]

Answer:

The food coloring mixes through the hot water faster than it mixes with the cold water.

Explanation:

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The density of H2O2 is 1.407 g/mL, and the density of O2 is 1.428 g/L. How many liters of O2 can be made from 55 mL H2O2
balandron [24]

Explanation:

mass H2O2 = 55 mL(1.407 g/mL) = 80.85 g

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For each mole of H2O2 you obtain 0.5 mole of O2 (see the equation).

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Now, you need the temperature.  If you are at STP (273 K, and 1.00 atm) then 1 mole of an ideal gas at STP has a volume of 22.4 L.  Without temperature you are not really able to continue.  I will assume you are at STP.

Volume O2 = 1.188 moles O2(22.4 L/mole) = 0.0530 L of O2.

which is  53 mL.

8 0
3 years ago
Reduction is a reaction which results in a __1____ in electrons and a __2____ in positive charge of the atom or ion
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