мимитисмо 1) How many moles are in 15 grams of lithium? 2) How many grams are…
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Question “мимитисмо 1) How many moles are in 15 grams of lithium? 2) How many grams are…”
мимитисмо 1) How many moles are in 15 grams of lithium? 2) How many grams are in 2.4 moles of sulfur? 3) How many moles are in 22 grams of argon? 4) How many grams are in 88.1 moles of magnesium? 5) How many moles are in 2.3 grams of phosphorus? 6) How many grams are in 11.9 moles of chromium 7) How many moles are in 9.8 grams of calcium? 8) How many grams are in 238 moles of arsenic? What are the molecular weights of the following compounds? 9) NaOH 12) H3PO4 10) H20 13) Mn Set 11) MgCl2 14) (NH4)2SO4 Focus 5 414 words English (United States
Answer
Giren mass AM.ve I c.rte Knoce n) = Aterric Mass (m) Atomic Mass of h = 6.94 G noi! => n = 154 – = 9.16 mol 6.94 & met!|=> n =154 -= 9.16 mol 6.94 and met!} Hemic mass of Fulfur = 39.063 39.06 g/men =M = 2.9m x 32.66g my =76.95g 229 = 0.55 ma 39.94 Gmot? M = 88.1 mole x 94.30 gr]’ = 2190.83 g : = 9.9 g 30.97 gmol M = 11.9 milk x 51.99 g most! 618.681 grams n = 9.8.q = 0.25 mole 40.07 goal = 238-molx 14.92 g ma 17.830.96 grams Molecular weight of an eight of Nal H = Hemic Mass of (Na +O+H – 29.98+15.99 +1.00 = 39.97g/mol Mow Mow of H2PO4 = 2×1.00+15.99 217.99 giro Mw of mga2 = 24,.30 + 2 (35.45) = 295.52 g/mol W q H2PO4 = 3×1.60 +30.97 +30.97 z3x37.06 +4(15.99 = 132.02 = 37.06 +4 (14.99) = i@ @ @ @@ @ @ @@ @ @ @@ @ @ @ @ @ @ @ @ @@ @ @ @@ @ @ @ @ @@ @ @ @@ @@ @ @ @ @ @ @ @ @ @ @ @@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @@ = 132.02 = mol?
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