H2 is produced by the reaction of 115.4 mL of a 0.6327 M solution of H3PO4according to 2Cr+2H3PO4⟶3H2+2CrPO4 If there is an excess amount of Cr , what mass of H2 will be produced? ____________g H2 A NaOH solution of unknown concentration is titrated with 0.250 M HCl. 21.14 mL of the titrant is required to titrate 25.00 mL of the NaOH solution. What is the concentration of the NaOH solution? ____________M
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H2 is produced by the reaction of 115.4 mL of a 0.6327 M solution of H3PO4according to
2Cr+2H3PO4⟶3H2+2CrPO4
If there is an excess amount of Cr , what mass of H2 will be produced?
____________g H2
A NaOH solution of unknown concentration is titrated with 0.250 M HCl. 21.14 mL of the titrant is required to titrate 25.00 mL of the NaOH solution. What is the concentration of the NaOH solution?
____________M
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