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3 years ago

9

Of salt in 100 g H,0)

1 answer:

melisa1 [442]3 years ago

5 0

I think it would be c

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How many moles of gas does it take to occupy 120 L at a pressure of 233 kPa and a temperature of 340 K?

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A would be correct have a nice day.

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What is the molar mass of 12?

andrew-mc [135]

Answer:

I assume your talking about carbon when you say 12 so it'd be 12 grams if you are

Explanation:

The molar mass of any substance in grams per mole is numerically equal to the mass of that substance expressed in atomic mass units.

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3 years ago

K3PO4+AgNO3--> ???<br> Ba(HCO3)2+Ba(OH2)-->

GuDViN [60]

<u>Explanation:</u>

A balanced chemical equation is one where all the individual atoms are equal on both sides of the reaction. It follows the law of conservation of mass.

<u>For 1:</u>

When potassium phosphate reacts with silver nitrate, it leads to the formation of silver phosphate and potassium nitrate.

The balanced chemical equation follows:

$3AgNO_3+K_3PO_4\rightarrow Ag_3PO_4+3KNO_3$

<u>For 2:</u>

When barium bicarbonate reacts with calcium hydroxide, it leads to the formation of barium carbonate, calcium carbonate and water

The balanced chemical equation follows:

$Ba(HCO_3)_2+Ca(OH)_2\rightarrow BaCO_3+CaCO_3+2H_2O$

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3 years ago