Natriumdihydrat 2Hydrat CZDA 1kg

Marsoni

M251S

$257.96

Get it in 3 business days with 1 day shipping. Friday, May 29

Natriumdihydrat 2Hydrat CZDA 1kgNatriumdichromat 2 Hydrat Technische Informationen Name: Natriumdichromat 2 hydrat Synonyme: Natriumdichromat, Natriumdichromat Summenformel: Na2Cr2O7 2H2O Molare Masse: 298,00 g mol CAS Nr.: 7789 12 0 EC Nr.: 234 190 3 Form: fest, Kristalle Farbe: gelb orange bis dunkelrot Geruch: geruchlos pH Wert (100 g l H2O, 20C): ca. 3,5 Schmelzpunkt: Zersetzung >400C Siedepunkt: keine Daten verfgbar Flammpunkt: nicht anwendbar Selbstentzndungstemperatur: nicht

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This was a wonderful book to help get my little one ready for 1st grade. The activities were grade appropriate, the colors and pictures were lovely and it was easy to jump around so the book didn't become too much of a chore. It had definitely made a difference in how prepared my kid was going from the hecticness of kinder into a proper classroom setting.

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Reviewed in the United States on November 30, 2025

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Angie Zamora

Massapequa, US

★★★★★ 5

Good Book

Format: Paperback

Good book to keep your kids busy

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Reviewed in the United States on March 11, 2026

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HezRusick❣️

Whiting, US

★★★★★ 5

Perfect Summer Activity Book for First Grade Prep

Format: Paperback

Got this to keep my little guy learning over the summer, and it’s been a win. We do about 20 minutes a day, and he actually looks forward to it — which says a lot! The activities are the perfect mix of fun and educational, covering reading, math, handwriting, and little logic puzzles that make him feel like a pro. It keeps his brain engaged without overwhelming him, and I love that it feels like a confidence booster instead of a chore. Great for quiet time, car rides, or a productive break between play. Highly recommend for anyone wanting to sneak in a little learning before first grade kicks off.

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Reviewed in the United States on June 6, 2025

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Shay

Dallas, US

★★★★★ 5

Keeps Their Minds Sharp

Format: Paperback

Got this for my daughter to give her pages to do for homework each day during the last month of summer. She likes doing school work to begin with but it took me by surprise when she would take it upon herself to keep completing page after page by herself. She really likes this workbook. The instructions on each page are clear and easily understood for her. Perfect for the age group and grade.

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Reviewed in the United States on September 12, 2025