UDESC 2025 2 Q17 - Soluções - Concentrações mol/L em g/L

Hi! #udesc #VESTIBULARUDESC #QUIMICAUDESC “I interact with students preparing for university entrance exams and I know how scarce and precious their time is. And most importantly: I know how demanding they are. That's why I developed material that will make their lives easier in terms of time and content.” Professor Rossoni The UDESC Chemistry Studybook is the most complete material on the chemistry exam for this entrance exam. material organized by content and by exams focusing on the incidence and recurrence of the main topics all questions solved in videos. I'll leave the link here for you: https://go.hotmart.com/R102938033N This material was made with care so you can save time and know step-by-step what to study to ace the UDESC chemistry exam! You deserve material like this: organized to optimize your time and focused on getting more questions right on this exam. Looking for another college entrance exam or other chemistry content? In the link below, you will have access to the complete Studybook collection; perhaps one of them can help you: https://linktr.ee/quimicativou Contact for questions, compliments, suggestions, or hiring: Instagram:   / quimicativou   X (Twitter):   / quimicativou   TikTok:   / quimicativou   Happy studying! Timestamps: 0:00 - reading the question 1:03 - statement I 2:06 - statement II (UDESC 2025-2 Q17) The concentration of calcium in a water sample was determined to be equal to 4.00 x 10–4 mol/L. Select the alternative that represents the result expressed as mg/L of calcium carbonate and as mg/L of calcium nitrate, respectively. a) 27.2 mg/L and 40.8 mg/L b) 40.0 mg/L and 65.6 mg/L c) 33.6 mg/L and 24 mg/L d) 60.0 mg/L and 35.0 mg/L e) 100 mg/L and 86.4 mg/L