- 2. ? Assume volumes are A sample of pure KHC_(2)O_(4)cdot H_(2)C_(2)O_(4)cdot 2H_(2)O (three replaceable hydrogens)requires 46.2 mL of 0.100 M NaOH for titration.How many milliliters of 0.100 M KMnO_(4) will the same-size sample react?
- 25. Ha noroke Hekoropsie cryilentis YBJEKaKOTCA IMpOBaliHeM. 23 cry/leHTa co6Mparor 3Ha4KH, 35 co6HparoT MapKH, 41 MOHCTH, 16 - 3Ha4KH H MapKM, 19 - 3Ha4KH H MOHCTH, 15 - MapKH H MOHCTH . TOIbKO TPM HEZIOBCKa co6HparoT BCE . Illects yenoBek He YBJEKaHOTCA . CKOJIbKO Bcero CTYLEHTOB Hà noToke? CKOJbKO CTY JICHTOB yBJIeKaeTCA IMPOBaHHeM 4ero-TO OJIHOrO?
- exp erime ntal data What determines the format of the desired experimental value (how many and what numbers should be left in the answer after calculating it), if it is determined by extracting the root from a direct ement? the final result is rounded at the choice of the experimenter the format of the experimental result is determined by the number of decimal places in the direct mea surement in the result we leave the same number of significant digits as there were in the value of this direct measurement the answer is rounded to the nearest hundredths
- No 17 1. How many milliliters of 0.10 m H_(2)SO_(4) must be added to 100 mL of 0.10 M NaOH to give a solution that is 0.050 M in H_(2)SO_(4) ? Assume volumes are additive. A samnle of nure KHC_(2)O_(4)cdot H_(2)C_(2)O_(4)cdot 2H_(2)O
- No 17 1. How many milliliters of 0.10MH_(2)SO_(4) must be added to 100 mL of 0.10MNaOH to give a solution that is 0.050 M in H_(2)SO_(4) ? Assume volumes are additive. 2. A sample of pure KHC_(2)O_(4)cdot H_(2)C_(2)O_(4)cdot 2H_(2)O (three replaceabl e hydrogens)requires 46.2mL of 0.100 M NaOH for titration.How many milliliters M KMnO_(4) will the same-size sample react? 3. A sample containing ammonium chloride was warmed with 150.0 mL of 1.00mol/L sodium hydroxide.After all the ammonia had been driven off, the excess sodium hydroxide required 50.00 mL of 0.150mol/L sulfuric acid for neutralizatior 1. What mass of ammonium chloride did the sample contain? 4. FeCl_(3) weighs 5.95 g The chloride converted to the hydrous oxide and ignited to The oxide weighs 2.62 g. Calculate the percent Fe in the original mixture. Calculate the pH and pOH of the following strong base solutions:0.14 M Ba(OH)_(2) 6. Calculate the pH of the solution by adding 1 drop (0.05 ml) of 0.5 M acetic acid to 10 ml of pure water. 5.
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