Recent content by mmmeraki

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    Calculating Mass % of H2CO3 from Reaction Equation

    It's possible that I forgot something. It was on the test.
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    Calculating Mass % of H2CO3 from Reaction Equation

    Assume that it's 136 g. How do I calculate the ratio?
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    Calculating Mass % of H2CO3 from Reaction Equation

    Hi! I got a question. I have been given the reaction of the equation and no other data. I have to calculate the mass percentage of H2CO3. The gas dissolves in water. 1. Homework Statement CaCO3 + H2SO4 = CaSO4 + H2O(l) + CO2(g) Homework EquationsThe Attempt at a Solution CaCO3 + H2SO4 = CaSO4...
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    Solve for K2Cr2O7 in Solution Calculation Homework

    Homework Statement How many grams of K2Cr2O7 (350 g 6,50%) must be added to get saturate the solution at 20C (12,6 g/100 g)? Homework Equations The Attempt at a Solution 350 g x 0,065 = 22,75 K2Cr2O7 I got 10 g, but it's not correct. The correct answer is 18,5 g.