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olasank [31]
3 years ago
14

Select all the species that are ions. HCl NaCl NH4+ H2PO4- CCl4 H3O+

Chemistry
1 answer:
nata0808 [166]3 years ago
4 0

Answer:

NH₄⁺

H₂PO₄⁻

H₃O⁺

Explanation:

  • An ion is an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
  • Ion may be positively charged "cation" or negatively charged "anion".
  • Neutral molecule has a net charge of zero.

<em>So, the species that are ions are: </em>

NH₄⁺

H₂PO₄⁻

H₃O⁺

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A 125 g compound consists of 37% oxygen? What is the mass of oxygen in this compound?
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I think that's the anwer

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3 years ago
Acetylsalicylic acid (C9H8O4) is a monoprotic acid commonly known as aspirin. A typical aspirin tablet, however, contains only a
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6 grains

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The equation of the reaction between NaOH and aspirin is;

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Amount of NaOH reacted = concentration × volume = 0.1466 M × 14.40/1000 L = 2.11 × 10^-3 moles

Given that aspirin and NaOH react in a mole ratio of 1:1 from the balanced reaction equation above, the number of moles of aspirin reacted is 2.11 × 10^-3 moles

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3 0
3 years ago
Consider the reaction below.
Law Incorporation [45]

Answer:

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Explanation:

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Stoichiometric coefficients and powers equal to 1 are not usually shown as they are understood, but I included them in order to shwow you how they intervene in the equilibrium expressions: each concentration is raised to a power equal to the respective stoichiometric coefficient in the equilibrium equation.

So, your calculations are:

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