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Sergio039 [100]
3 years ago
7

If 0.60 L of a solution contains 6.6 g of NaBr, what is its molar concentration?

Chemistry
1 answer:
-BARSIC- [3]3 years ago
7 0

Answer:

Molarity = moles ÷ liters

to get moles of NaBr divide grams of NaBr by its molar mass (mass of Na + mass of Bromine)

Na = 22.989769

Br = 79.904

molar mass of NaBr = 102.893769

6.6g ÷ 102.893769 = 0.064143826 moles of NaBr

0.064143826 moles ÷ 0.60 liters = 0.1069 molar concentration or 11 %

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Readme [11.4K]

Explanation:

Carbon monoxide and hydrogen gas reacts together to form methanol:

CO + 2H2 => CH3OH

Since 0.266mol * 2 = 0.532mol > 0.524mol, the limiting reactant here is hydrogen and therefore there will be 0.524mol / 2 = 0.262mol of methanol.

3 0
3 years ago
6. Describe the energy inputs and outputs for the campfire. Use the law of conservation of energy to construct a valid qualitati
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Answer:

Energy in the campfire originates from the potential chemical energy of the wood, before it is burnt to warm and give light around the campfire.

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For a camp fire, the energy input is in the form of the potential chemical energy, stored up in the firewood used to fuel the flame.

The energy output is in the form of heat energy that the campfire radiates all around, light energy given off from the flame, and a little bit of sound energy, heard in the cracking of the firewood as they burn in the flame.

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3 years ago
Write one benefit of fungi
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Answer:

below

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7 0
3 years ago
37.5ml of menthol is dissolved in water to make 456 ml of solution, what is the concentration expressed in volume/volume % of th
Ahat [919]

Answer:

V/V% = 8.2%

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Given data:

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V/V% = [volume of solute / volume of solution ]×100

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3 years ago
A student combines 34 grams of one chemical and an unknown amount of another chemical in a closed system. A chemical reaction oc
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