User:The Nth User/Molar mass test

(debug:usquare=0; u=0; smart_round=Invalid argument for ln: less than or equal to 0.); value=0;unrounded_uncertainty_digit=Invalid argument for ln: less than or equal to 0.; one_uncertainty_digit=Expression error: Unexpected < operator; uncertainty_decimal_places:Formatting error: precision input appears non-numeric)