How many grams of magnesium acetate (Mg(CH3CO2)2) do you need to dissolve in a total volume of 250 mL water to make a solution with a concentration of 0.300 M ?
Note: the relative molar mass (Mr) of Mg(CH3CO2)2 is 142.394 g/mol.
1.90 g
16 084 g
119 g
16.1 g
10.7 g
171 g
Answers: 3
Chemistry, 21.06.2019 14:00
3. if the dartboard below is used to model an atom, which subatomic particles would be located at z?
Answers: 2
Chemistry, 22.06.2019 14:30
Which of the following describes a situation where competition between producers exists
Answers: 1
Chemistry, 22.06.2019 15:00
Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?
Answers: 2
Chemistry, 22.06.2019 17:00
The atoms of a solid aluminum can are close together, vibrating in a rigid structure. if the can is warmed up on a hot plate, what happens to the atoms?
Answers: 1
How many grams of magnesium acetate (Mg(CH3CO2)2) do you need to dissolve in a total volume of 250 m...
Chemistry, 07.07.2019 08:00
Mathematics, 07.07.2019 08:00
English, 07.07.2019 08:00
Mathematics, 07.07.2019 08:00
Mathematics, 07.07.2019 08:00
Mathematics, 07.07.2019 08:00
Mathematics, 07.07.2019 08:00
Mathematics, 07.07.2019 08:00
Geography, 07.07.2019 08:00
Geography, 07.07.2019 08:00
Health, 07.07.2019 08:00
History, 07.07.2019 08:00
Mathematics, 07.07.2019 08:00