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kupik [55]
3 years ago
15

Which of these substances, when dissolved in water, is a strong electrolyte? which of these substances, when dissolved in water,

is a strong electrolyte? sucrose folic acid sodium nitrate ammonia hydrofluoric acid?
Chemistry
1 answer:
Norma-Jean [14]3 years ago
5 0
<span>Option C. It is sodium nitrate because it is a strong electrolyte that comes from a strong acid (HNO3) and a strong base (KOH). It becomes a strong electrolyte when it dissolves in water, its formula is NaNO3, which is a compound that forms nitrate together with potassium nitrate and is obtained by chemical synthesis.</span>
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As the temperature is increased, the rate of a chemical reaction usually
katrin2010 [14]
Increases as well. More heat means more energy is being supplied.
4 0
3 years ago
Can someone explain me why the molar mass become 90.12 g/mol and when I calculated it's 90 g/mol?​
e-lub [12.9K]

Answer:

It could be because of rounding error somewhere in your calculations. Another thing to note is 90 +/- 4 g/mol.

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8 0
3 years ago
Are chromosomes in side the nucleus of a plant cell
Keith_Richards [23]

Answer:

Yes, chromosomes are in the nucleus of all cells that have a nucleus.

Explanation:

5 0
3 years ago
Mary starts from her house, walks 80 meters south, and stops to chat with her aunt on the sidewalk. After chatting for a few min
Olenka [21]
(80+125+45) / 10 = 250/10 =25
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6 0
4 years ago
In NMR if a chemical shift(δ) is 211.5 ppm from the tetramethylsilane (TMS) standard and the spectrometer frequency is 556 MHz,
Vika [28.1K]

Answer:

The answer is: 11759 Hz

Explanation:

Given: Chemical shift: δ = 211.5 ppm, Spectrometer frequency = 556 MHz = 556 × 10⁶ Hz

In NMR spectroscopy, the chemical shift (δ), expressed in ppm, of a given nucleus is given by the equation:

\delta (ppm) = \frac{Observed\,frequency (Hz)}{Frequency\,\, of\,\,the\,Spectrometer (MHz)} \times 10^{6}

\therefore Observed\,frequency (Hz)= \frac{\delta (ppm)\times Frequency\,\, of\,\,the\,Spectrometer (MHz)}{10^{6}}

Observed\,frequency= \frac{211.5 ppm \times 556 \times 10^{6} Hz}{10^{6}} = 11759 Hz

<u>Therefore, the signal is at 11759 Hz from the TMS.</u>

6 0
4 years ago
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