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Need to know how to show work and correct significant figures. What Mass of H 2 CO 3 is needed to prepare 575mL of a 0.34M solution?

Need to know how to show work and correct significant figures.


What Mass of H2CO3 is needed to prepare 575mL of a 0.34M solution?



What is the Molarity of a Ca(OH)2 solution that contains 36.0 grams of Ca(OH)2 IN 0.394L of solution?



What mass of MgBr2 is needed to prepare 575mL of a 0.34M solution?


The concentration of Cholesterol C27H46O, In normal blood is approx 0.005M. How many grams of Cholesterol are in 750mL of blood?


thanks

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1) 12.1 g 2)... View the full answer

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Other Answers

Part 1 lets find the moles of H2CO3 that is in 575 mL 0.34 M solution moles = M x V/1000 = 0.34 x 575/1000 = 0.1955 moles... View the full answer

1) Calculate the moles of H 2 CO 3 is needed Moles of H 2 CO 3 is needed = Molarity of H 2 CO 3 *volume of solution in L... View the full answer

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