do it as a proportion:
x/.265g = 1E-6L/1E-3L
x= .265 mg
x=.000265grams
check my thinking.
Sodium carbonate reacts with a solution of HCl solution with the evolution of gas (CO2) to yield a solution that is neutral. If 0.265 grams of sodium carbonate are required to neutralize 1.00 mL of HCl solution, what mass (in grams) of sodium carbonate will be required to nutralize 1.00 x 106 µL (microliters) of the same HCl solution? Remember to use the balanced equation for this reaction. DO NOT use units, exponential notation or commas in your answer; NUMBERS ONLY.
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