Заглавная страница Избранные статьи Случайная статья Познавательные статьи Новые добавления Обратная связь КАТЕГОРИИ: АрхеологияБиология Генетика География Информатика История Логика Маркетинг Математика Менеджмент Механика Педагогика Религия Социология Технологии Физика Философия Финансы Химия Экология ТОП 10 на сайте Приготовление дезинфицирующих растворов различной концентрацииТехника нижней прямой подачи мяча. Франко-прусская война (причины и последствия) Организация работы процедурного кабинета Смысловое и механическое запоминание, их место и роль в усвоении знаний Коммуникативные барьеры и пути их преодоления Обработка изделий медицинского назначения многократного применения Образцы текста публицистического стиля Четыре типа изменения баланса Задачи с ответами для Всероссийской олимпиады по праву Мы поможем в написании ваших работ! ЗНАЕТЕ ЛИ ВЫ?
Влияние общества на человека
Приготовление дезинфицирующих растворов различной концентрации Практические работы по географии для 6 класса Организация работы процедурного кабинета Изменения в неживой природе осенью Уборка процедурного кабинета Сольфеджио. Все правила по сольфеджио Балочные системы. Определение реакций опор и моментов защемления |
Determine the titer of 0.1205 n. of the sulfuric acid solution.
A. 0.00590 B. 0.0180 C. 0.00245 D. 0.1205 E. 0.01216 62. Determine the titer of 1 M of the milk acid (CH3CHOHCOOH) solution.
63. Calculate the molar concentration of the acetic acid (С2Н4О2) with the titer 0.000016 g/ml. A. 0.0002667 B. 0.001334 C. 0.002672 D. 0.02672 E. 0.01334 Calculate the titer of 0.21 M of the sodium hydroxide solution.
65. Calculate the titer of 1 M of the wine acid (СО2Н (СНОН) 2СО2Н) solution.
66. Determine the normal concentration of H2SO4 solution which titer is 0.004278 g/ml.
67. Determine the molar concentration of 35 % H2SO4 (density 1.26).
68. Calculate the titer of 0.02 M of acetone ((CH3) 2CO) solution.
Calculate the titer of 0.1420 n. of the sulfuric acid solution.
Determine the normal concentration of the sulfuric acid if its titer is equal to 0.00590 g/ml.
Calculate the titer of 0.1101 M solution of the hydrochloric acid.
Determine the titer of 0.12 n. of the sulfuric acid solution.
73. Calculate the titer of 0.12 n. of sodium tetra borate (Na2B4O7) solution.
Determine the molar concentration of nitric acid which titer is equal to 0.006300 g/ml?
Calculate the mass of iodine in 0.1923 g of chemically pure AgI.
76. Calculate the mass of chromium in 0.5844 g of chemically pure BaCrO4.
What is the number (mol) of formaldehyde (НСНО) contained in 5 litres 0.2 M solutions?
78. What is the number (mol) of ascorbic acid (С6Н8О6) contained in 500 ml of 0.02 M solution?
79. How many grams of benzaldehyde (С6Н5СНО) are necessary for preparation 200 ml of 0.01 M solution?
80. How many grams of furfural (С4Н3ОСНО) are necessary for preparation of 0.1 litre 0.002 M solution?
How many grams of the waterless sodium carbonate are necessary to receive 2 litres 0.1 n. solution?
82. How many grams of potassium chloride are necessary to dissolve in 100 g of water to receive 5 % solution?
83. How many grams of sodium sulfate are necessary to dissolve in 400 g of water to receive 8 % solution?
84. How many grams of water should be added to 40 g of KBr to receive 4 % solution?
85. How many grams of water should be added to 5.7 g of the boric acid to receive 3 % solution?
How many grams of the sulfuric acid are in 1 litre of 0.1 n. solutions?
How many grams of soda are in 1 litre of 0.5 n. solutions?
How many grams of the phosphoric acid are in 1 litre of 0.3 n. solutions?
How many grams of magnesium sulfate are in 1 litre of 0.2 n. solutions?
How many grams of aluminium chloride are in 1 litre of 0.3 n. solutions?
How many grams of aluminium sulfate are in 1 litre of 0.1 M solutions?
How many grams of aluminium sulfate are in 1 litre of 1.8 n. solutions?
93. How many grams of Na2CO3·10H2O are necessary to receive 3 litres of 0.2 n. solution?
94. How many grams of water should be added to 100 g of Na2CO3 ·10H2O to receive 10 % salt solution?
95. What the number (mol) of NaCN should be dissolved in 100 g of water to receive 5 % solution?
96. What the number of water (mol) should be added to 50 g of H2SO4 to receive 10 % solution?
Ml of 1.2 M NaOH and 600 ml of 1.8 M NaOH are mixed; determine the molar concentration of the received solution.
How many ml of 0.1 n. of phosphoric acid can be prepared from 80 ml of 0.75 n. solution of the same acid?
Up to what volume (liters) is it necessary to dilute 2.4 litres of 1.6 M HCl by water to receive 0.25 M solution?
Up to what volume (litre) is it necessary to evaporate 3.5 litres of 0.04 M KOH to receive 0.1 M solution?
What volume (ml) 0.5 n. of sulfuric acid is necessary to add to 1 litre of 0.11 n. solution of the same acid to receive 0.2 n. solutions?
How many litres of 8 M КОН are necessary to add to 5 litres of 3.2 М КОН to receive 4 М solutions?
How many ml of 2 М NaOH are necessary to add to 750 ml of water to receive 0.4 M solution NaOH?
What volume of water (ml) should be added to 1 litre of 0.5300 M HCI to receive 0.5000 M solution?
105. What volume (ml) of 38.32 % solution HCI (density 1.19) is necessary for preparation 1 litre of 0.1 M solution?
106. What volume (ml) of 95.72% H2SO4 (density 1.84) is necessary for preparation 2.5 litres of 0.1 M H2SO4?
Ml of 7.4 M HCI has been taken for preparation of 500 ml of solution HCI, calculate the molar concentration of the received solution.
Up to what volume (ml) is it necessary to dilute 200 ml of 0.01 M solution to receive 0.005 M solution?
How many ml of 1 M solution HCI is it necessary to prepare 1 litre of 0.1 M solution of HCI?
Up to what volume (ml) is it necessary to dilute 10 ml of 0.5 M solution to receive 0.05 M solution?
|
|||||
Последнее изменение этой страницы: 2016-12-30; просмотров: 117; Нарушение авторского права страницы; Мы поможем в написании вашей работы! infopedia.su Все материалы представленные на сайте исключительно с целью ознакомления читателями и не преследуют коммерческих целей или нарушение авторских прав. Обратная связь - 3.147.67.195 (0.007 с.) |