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kakasveta [241]
3 years ago
12

1. What is the molarity of a solution which contains 0.256 mol of a substance dissolved in 143 mL of solution.

Chemistry
1 answer:
LenaWriter [7]3 years ago
4 0

Answer:

The equation for molarity is moles/liter for the first question you would do 0.256/0.143 liters to get 1.790 mol/L

Explanation:

The second problem you would do need to find the moles of NaCl which you would do by doing 4.89 g/58.44g/mol= 0.08367 then do 0.08367/0.600= 0.139 mol/L

The third problem would be the same steps as the second one.

The fourth problem would be (0.460M)(5.50L)= 2.53 moles

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