Which of the data sets qualitative data?

Chemistry

2 answers:

STatiana [176]3 years ago

5 0

Answer:

any data should work as long as you get the question right it should be all fine if you i had this question once and i different sums of data each or each way i did it.

Kaylis [27]3 years ago

3 0

Answer:

Uh, the second one?

Explanation:

Try to restate the question please.

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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

Katena32 [7]

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.