Using the mole ratio for the neutralization reaction, determine the number of moles of citric acid in 10.0 ml of pineapple juice.

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Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36

Find the value of x for which line a is parallel to line b