Jika Anda melarutkan 20 gram gula ke dalam segelas air 125 ml maka berapakah konsentrasi larutan garam yang terjadi dalam satuan?
Jika melarutkan 20 gram garam ke dalam 100 mL air, maka konsentrasi larutan garam yang terjadi adalah .... A. 200 g/L B. 250 g/L C. 350 g/L D. 500 g/L Pembahasan: Diketahui: massa garam 20 gram volume 100ml. (100 ml = 0,1 liter) Ditanya: Konsentrasi = …. ? Dijawab: Maka konsentrasi larutan = massa/volume = 20 gram/0,1 liter = 200 gram/liter ----------------#---------------- Jangan lupa komentar & sarannya Email: Kunjungi terus: masdayat.net OK! 😁
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2. Jika kamu membuat larutan gula dengan cara memasukkan 20 gram gula ke dalam segelas air (125 mL), berapakah konsentrasi larutan gula tersebut dalam satuan g/L? Jawaban:
Konsentrasi (K) = massa zat terlarut/volume larutan Jika kalian merasa postingan kami bermanfaat, silakan ikuti kami di: Instagram: @rofaeducationcentre Fanspage FB: @ROFAEducationCentre Youtube Chanel: ROFA EDUCATION CENTRE Website: www.rofaeducationcentre.comloading... loading...
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A supersaturated sugar solution $(650.0 \mathrm{~g}$ sugar in $150.0 \mathrm{~g}$ water) is prepared to make "rock candy"" The solution is kept at $25^{\circ} \mathrm{C}$, where the solubility of sugar is $220.0 \mathrm{~g} / 100 \mathrm{~g}$ water. $\mathrm{A}$ string is dipped into the solution, and in time, large crystals of sugar (rock candy) form. How many grams of solid are obtained when the solution just reaches saturation?
1. 125ml = 0,125 l konsentrasi larutan garam = 20 g/ 0,125 l = 16 g/l2. perubahan panjang = 17 - 10 =7 laju pertumbuhannya = 7 cm / 2minggu = 7 cm / 14 hari = 0,5 cm / hari
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