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3 years ago

Write the following isotope in nuclide notation: oxygen-14

Chemistry

1 answer:

In-s [12.5K]3 years ago

8 0

Answer:

$14\\8$ O

Explanation:

The top number always represents the mass number.

The bottom number always represents the atomic number.

The element always goes after the numbers.

If charge is present, that comes after the element.

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3 years ago

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2 years ago

How many moles of naoh will react with 13.5 moles of k3po4

Alona [7]

Answer: 40.5 mol

Explanation:

Since this is a double replacement reaction, the unbalanced equation is something like follows:

$\text{K}_{3}\text{PO}_{4}+\text{NaOH} \longrightarrow \text{KOH}+\text{Na}_{3}\text{PO}_{4}$

Balancing this equation,

$\text{K}_{3}\text{PO}_{4}+3\text{NaOH} \longrightarrow 3\text{KOH}+\text{Na}_{3}\text{PO}_{4}$

From this equation, we can conclude that for every 3 moles of sodium hydroxide consumed, 1 mole of potassium phosphate is consumed.

This means the answer is 13.5(3)=<u>40.5 mol</u>

8 0

1 year ago