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Charra [1.4K]
3 years ago
5

Plzzz help will do anything ;) How many molecules are there in 2.25 moles of H2CO3

Chemistry
1 answer:
Sonbull [250]3 years ago
3 0
It’s 8 molecules !!!.8/8/8/
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How many grams of H2O are produced when 35.0 g of NaOH reacts with 17.5 g of CO,?
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1) Find the moles of each substance

\eq n(NaOH)=\frac{35.0}{22.99+16.00+1.008\\}\  =\frac{35.0}{39.998} \ = 0.8750437522 moles\\n(CO_{2} ) = \frac{17.5}{12.01+32.00} = \frac{17.5}{44.01} = 0.3976369007 moles\\

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∴ Carbon dioxide is limitting as it has a smaller value.

3) multiply the limiting reagent by the mole ratio of unknown over known

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4) Multiply the number of moles by the molar mass of the substance.

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