4 years ago

How to calculate how muchyou would get from the lottery?

Chemistry

1 answer:

tankabanditka [31]4 years ago

7 0

You count how much you won?

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How many moles of magnesium is 3.01 x 1022 atoms of magnesium?

d1i1m1o1n [39]

It equals 3076.22. i hope that helped.

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3 years ago

A sample of an ionic compound that is often used as a dough conditioner is analyzed and found to contain 4.628 g of potassium, 9

Roman55 [17]

Answer:

The empirical formula of the compound is = $KBrO_3$

The name of the compound is potassium bromate.

Explanation:

Mass of potassium = 4.628 g

Moles of potassium = $\frac{4.628 g}{39 g/mol}=0.1187 mol$

Mass of bromine = 9.457 g

Moles of bromine = $\frac{9.457 g}{80 g/mol}=0.1182 mol$

Mass of oxygen = 5.681 g

Moles of oxygen = $\frac{5.681 g}{16 g/mol}0.3551$

For empirical formula of the compound, divide the least number of moles from all the moles of elements present in the compound:

Potassium :

$\frac{0.1187 mol}{0.1182 mol}=1.0$

Bromine;

$\frac{0.1182 mol}{0.1182 mol}=1.0$

Oxygen ;

$\frac{0.3551 mol}{0.1182 mol}=3.0$

The empirical formula of the compound is = $KBrO_3$

The name of the compound is potassium bromate.

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3 years ago

What is the function of a mordant in gram staining?

Anna71 [15]

The function of mordant in the gram staining is to expose grams positive cell to the decolorizer which dissolves the lipids in the cell wall thus allowing the crystals violent-iodine to leach out of the cell. This facilitate the cell subsequently be stained by with safranin.

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3 years ago

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Brainly is so boring like upgrade it to be better or something

Nikitich [7]

Answer:

ya same here i hope so btw

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3 years ago

Can someone please help a girl out and answer this plsss ...need this as soon as posible

Helga [31]

Answer:

the anwser would be B obtain energy

Explanation:

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3 years ago