a. A 4.053-g sample of NaHCO3 is dissolved in enough water to make 280.0 ml of solution. Molarity = M

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a. A 4.053-g sample of NaHCO3 is dissolved in enough water to make 280.0 mL of solution.
Molarity =
M
b. A 182.6-mg sample of K2 Cr2 O7 is dissolved in enough water to make 510.0 mL of solution.
Molarity =
M
c. A 0.1029-g sample of copper is dissolved in 35 ml of concentrated HNO3 to form Cu+ ions and then water is added to make a total volume of 200.0 mL. (Calculate
the molarity of Cu²+ ).
Molarity =
M
Transcribed Image Text:a. A 4.053-g sample of NaHCO3 is dissolved in enough water to make 280.0 mL of solution. Molarity = M b. A 182.6-mg sample of K2 Cr2 O7 is dissolved in enough water to make 510.0 mL of solution. Molarity = M c. A 0.1029-g sample of copper is dissolved in 35 ml of concentrated HNO3 to form Cu+ ions and then water is added to make a total volume of 200.0 mL. (Calculate the molarity of Cu²+ ). Molarity = M
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