2 years ago

A___

Chemistry

2 answers:

Xelga [282]2 years ago

6 0

Meteoroid i’m pretty sure

damaskus [11]2 years ago

5 0

Answer:

I think it is a rock...

Explanation:

maybe idrk tho

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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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What would happen if grasshoppers population increased

hram777 [196]

Their prey would decrease

4 0

3 years ago

What are the two elements sand is made of? *

olga55 [171]

Answer:

tiny crystals of the mineral quartz, which is made out of silica and oxygen

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2 years ago

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Please help i will give brainliest!!! thank you =)

Anastasy [175]

Answer:

Answer choice B. 2

Explanation:

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2 years ago

Can somebody please help me with this & also give an explanation!! Will appreciate it

o-na [289]

Answer:

the density of the cube is 304 g/ cm^3

Explanation:

Because 1520 ÷ 5 = 304 or 304 × 5 =1520

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