Please, help me with calculations, it's so confusing

The following quote is from a site that explains how to make MMS with Sodium Chlorite Powder at 80% Technical Grade, AND I'm hoping someone could help with the calculations using a 90% (NaClO2=90.44) Grade Sodium Chlorite Powder (maybe a chemist or someone good with numbers).

(http://keavyscorner.com/index.php?ma...d=8&chapter=10)

"The 28% MMS Formula is in fact a 22.4% Sodium Chlorite Solution.

This is due to the fact that 28% of the total solution is Sodium Chlorite Powder

by weight. The original Formula was created using 80% sodium chlorite powder.

When 80% Sodium Chlorite powder is used to make the MMS, the resulting

amount of actual sodium chlorite in the solution is 22.4%. The water weight

is 72%, and the remaining 5.6% is mostly common salt, (used as a stabilizer)"

METRIC MEASUREMENTS Resulting Solution (80% Technical Grade)

Sodium Chlorite-----Distilled Water---------(by weight)------------(by volume)

42.7 g----------------109.8 g----------------152.5 g-----------------125 ml

341.6 g---------------878.4 g-----------------1220 g----------------1 liter

By my calculations, with 90% grade: (I'm hoping these figure are correct)

Please correct me if I'm mistaken in my calculations

42.7 g-----------------128.86g---------------171.56 g--------- 154.4 ml (?)

Thank you ===

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