Solutions & Dilutions - Chem Homework.. Help!!?
1. Calculate the molarity of each of the following solutions.
a. 25.0 g of sodium hydroxide in 150.0 mL solution
b. 10.0 g of hydrogen chloride in 200.0 mL solution
2. How many moles of solute are present in 300.0 mL of a 6.0 M HCl?
3. How many grams of solute are present in 1.6 L of 3.0 M NaOH?
4. What is the concentration of dissolved solids in parts per million of the following solutions?
a. 5.0 g of the pesticide, DDT, in 200.0 g water
b. 45.0 g of NaCl in 200.0 mL solution
Please help, I don’t understand chemistry.. and it’s very frustrating.
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