How can you convince someone that the earth moves slowly?

Chemistry

1 answer:

Vadim26 [7]2 years ago

4 0

Answer:

By a resource or an EXTREMELY good explanation with good reasons and details.

Explanation:

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How many total moles of ions are released when the following sample dissolves completely in water? Enter your answer in scientif

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Answer: The number of moles of strontium bicarbonate is $7.5\times 10^{-9}mol$

Explanation:

Formula units are defined as lowest whole number ratio of ions in an ionic compound. It is calculate by multiplying the number of moles by Avogadro's number which is $6.022\times 10^{23}$

We are given:

Number of formula units of $Sr(HCO_3)_2=4.55\times 10^{15}$

As, $6.022\times 10^{23}$ number of formula units are contained in 1 mole of a substance.

So, $4.55\times 10^{15}$ number of formula units will be contained in = $\frac{1}{6.022\times 10^{23}}\times 4.55\times 10^{15}=7.5\times 10^{-9}mol$ of strontium bicarbonate.