miércoles, 8 de abril de 2015

Chemistry Molarity problems

1. What is the molarity of a 0.30 liter solution containing 0.50 moles of NaCl?

2. Calculate the molarity of 0.289 moles of FeCl3 dissolved in 120 ml of solution?

3. If a 0.075 liter solution contains 0.0877 moles of CuCO4, what is the molarity?

 4. How many grams of NaCl are present in 600. ml a 1.55 M NaCl solution?

 5. How many moles of H2SO4 are present in 1.63 liters of a 0.954 M solution?

6. How many liters of solution are needed to make a 1.66 M solution containing 2.11 moles of KMnO4?

7. What volume of a 0.25 M solution can be made using 0.55 moles of Ca(OH)2? For all of the problems below you will need to do a mole-mass conversion. Each problem will involve two steps.

 8. What is the molarity in 650. ml of solution containing 63 grams of NaCl?

9. How many grams of Ca(OH)2 are needed to produce 500. ml of 1.66 M Ca(OH)2 solution? 10. What volume of a 0.88 M solution can be made using 130. grams of FeCl2?

10.How many millilitres of a 0.200 M solution of CoCl2 will   contain 25.0 g?

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