Define solid sodium hydrogen carbonate

Reference no: EM13191666

1. A student adds an excess (more than she needs to react completely) of solid sodium hydrogen carbonate to a beaker containing exactly 675 mL of 0.220M coper(II)nitrate aqueous solution. A reaction occurs that produces solid copper(II)carbonate, carbon dioxide gas, liquid water, and aqueous sodium nitrate.

a) Write a balanced chemical equation for the reaction.

b) What mass (g) of carbon dioxide gas will be produced?

2. In an experiment, you are instructed to make an aqueous solution that is 0.778 M potassium thiosulfate. You are to use a 250.0-mL volumetric flask. What mass (g) of potassium thiosulfate do you need to weigh and add to the flask to make this solution?

Reference no: EM13191666

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