<span>The correct answer is D. The Shang Dynasty. This was a Chinese dynasty and China has historically been famous for paper productio nwhere they left written records, but also for wall building like the Great Wall of China. The yellow river is actually The Yangtze River which is the third longest river in the world. </span>

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3 years ago

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jenyasd209 [6]

I will mark brainlist please help

1) What is the concentration of a solution that contains 6 moles of solute in 2 liters of solution

• 6M

• 12M

• 7M

• 3M

2) what is the number of moles of solute in 250 mL of a 0.4M solution?

• 0.1 mol

• 0.16 mol

• 0.62 mol

• 1.6 mol

3) the molality of a solution containing 8.1 moles of solute in 4847 g of solvent is

• 39m

• 1.7m

• 0.17m

• 598m

4) which of the following is unchanged when a solution is diluted by addition of solvent?

• volume of solvent

• mass of solvent

• number of moles of solute

• molarity of solution

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2 years ago