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Taya2010 [7]
3 years ago
14

What is the mass percent of 6.8 of sucrose in 38.4 grams of water

Chemistry
1 answer:
amm18123 years ago
4 0
The answer is 83% percent
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C₇H₆O₂ + O₂ -->CO₂ +H₂O Find the chemical reaction
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If a gas is moved from a large container to a small container but its temperature and number of moles remain the same, what woul
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To solve this we assume that the gas is an ideal gas. Then, we can use the ideal gas equation which is expressed as PV = nRT. At a constant temperature and number of moles of the gas the product of PV is equal to some constant. At another set of condition of temperature, the constant is still the same. Calculations are as follows:

 

P1V1 =P2V2

<span>P2 = P1V1/V2</span>

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<span>The correct answer is the first option. Pressure would increase. This can be seen from the equation above where V2 is indirectly proportional to P2.</span>

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3 years ago
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The destructive force of waves is not felt while they are out at sea, in the open ocean, but it is felt when they do what?
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Choose a generic equation showing how a weak base ionizes water.
FinnZ [79.3K]
Hi!

The generic equation showing how a weak base ionizes water is the following:

B(aq) + H₂O(l) ⇄ BH⁺(aq) + OH⁻(aq)

A base is described as weak when its dissociation is difficult and isn't complete. Weak Bases are chemical compounds that accept protons from water, to form the conjugate acid and the OH⁻ ion. The pH of the solution of a weak base is higher than 7. Some weak bases include ammonia (NH₃), Aluminum Hydroxide (Al(OH)₃) and Sodium Acetate (CH₃COONa).

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4 0
3 years ago
The formula for ammonium carbonate:
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Ammonium is NH₄⁺ and Carbonate is CO₃⁻² => Ammonium Carbonate is (NH₄)₂CO₃

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