Question

SOLUTIONS (Molarity, Molality) SECTION 9) What is the molarity [MJof a solution that is made by dissolving 2.00 moles of solute in 300. mL of solution? 10) What is the molarity of the solution when 0.400 moles of copper sulfate dissolves in 0.200 liters of solution? 11) What is the molarity of solution when 16.88g of sodium chloride is dissolved in water to a total volume of 1000.00 ml?

Answer 1

Questions are solved using basic concepts of solution concentration.

PAGE NO.: Solution - Moles of salute z 2.00 males Volume of solution z_ 300 ml z_300X1olitece { Ime z 10 litru} NOCO moles of Salute MOV MO V __velume of selection veleno - 6.67 mole/eitet 2.00 mole 300 x 10 Beitou Hene, Melovity z 6.64 Molay. 10.- Males of Caso z volume of solution = 0.400 moles. 0.200 liter Molarity valame of solu Moloita, Moles of Casoy 0 volume of solution Немц цоlаria 2 На'ан , 0.400 males z. 2. Moles 0.200 lifen 11 - graues of Nace z 16.88 grams velume of saledion z_lovo.coml a z The malar mass of walle 58.479/male 1000 x 10-3 litere 1 litru moles of Nace z weight of Nace маlаr mаѕѕ оf mcg

/ V DATE: / PAGE NO.: 16-88 яна 7 0 - 288 2.0 S8:44 Яная moll Now Mole males volume 0-238 wоu - 0-288 мolar 1 4щ Menel Molaity 0.288 Melay. деланыс | Mac Mesh x 1ое знаньд ала» в одеч = 1%-с чамд Masst z Mass of solde Mass of solution X too , X1 — 10 quam + 400 og laws 10 qчам $ Mask - tо андык + (Формаык Mo88 . . 10 — хтор , д. од 1. 110 Hence Maß8of 10.0 pocam Mgenos l_ in 100-o goran of Hbo z g.og f l Ma88. хою quams of Nano z 75 grams якаш, о коаfеѕt = So -о ямаа 3 2 z o grams of Nanoz grans of Nanoz t grant of voortent Magя) , 1-5 ачам,8 ху» , 15 Аччим х1", 13 е-у. | (7- 5 + so) зиян 31-5 Алан House, Mass 4 of 7squam nunc, in so greem vector z13.04%.

Y DATE: PAGE NO.: volame z 1.20 litace concentration z 0.45M их джаня е двои задуйхад - и The molar mass of NaOH = 40 of gram/male моkеѕ оf Јоон , хяналт 40-с 1 дво“ Д-og. ex role •o1 male Molarity of NaOH z [NaOHJz - Volume - і со 4 - 0:15 1:20 Wi- Но 45 , 40-ot x20 а Шіш = o-45 X0-01 Х{-20 2 — — 21-о якои Вили 24:60. Якетах он күйкід-