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Karo-lina-s [1.5K]
2 years ago
12

What is the ionic equation for HBr(aq) + NH3(aq)

Chemistry
1 answer:
Alik [6]2 years ago
4 0
Complete equation, ionic equation, and net ionic equation for NH4C2H3O2(aq) + NH3 (aq)
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A hydrate is compound that included water molecules within its crystal structure. During an experiment to determine the percent
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Answer:

The percent by mass of water in this crystal is:

  • <u>21.4%</u>

Explanation:

This exercise can be easily solved using a simple rule of three where the initial weight of the hydrated crystal (6,235 g) is taken into account as 100% of the mass, and the percentage to which the mass of 4.90 g corresponds (after getting warm). First, the values and unknown variable are established:

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And the value of the variable X is found:

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The calculated value is not yet the percentage of the water, since the water after heating the glass has evaporated, therefore, the remaining percentage must be taken, which can be calculated by subtraction:

  • Water percentage = Total percentage - Percentage after heating.
  • <u>Water percentage = 100% - 78.6% = 21.4%</u>
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