subject
Chemistry, 26.02.2021 01:40 monicagalarza

Un bioquímico para preparar una solución disuelve 50 gramos de droga en 150 gramos de agua. Calcular: a. La masa de solución

b. La concentración de la solución, expresada en % m/m.

ÁTOMO

6. Un átomo de azufre tiene número atómico 16 y número másico 34 ¿Cuántos protones, electrones, neutrones tiene?

ansver
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 00:40, eamccoy1
Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).
Answers: 2
image
Chemistry, 22.06.2019 03:00, Dkhaurithompson
Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture
Answers: 1
image
Chemistry, 22.06.2019 10:30, Brookwiggington8814
What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%
Answers: 1
image
Chemistry, 22.06.2019 22:20, trockout4868
How do cfcs cause ozone depletion? how do cfcs cause ozone depletion? ultraviolet radiation breaks down cfcs, molecules containing chlorine. chlorine then breaks one oxygen atom away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation breaks down cfcs, molecules containing chlorine. chlorine then breaks two oxygen atoms away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation creates cfcs, molecules containing chlorine. chlorine then breaks two oxygen atoms away from ozone, leaving behind a paired oxygen molecule. ultraviolet radiation creates cfcs, molecules containing chlorine. chlorine then breaks one oxygen atom away from ozone, leaving behind a paired oxygen molecule.
Answers: 2
You know the right answer?
Un bioquímico para preparar una solución disuelve 50 gramos de droga en 150 gramos de agua. Calcular...

Questions in other subjects:

Konu
Mathematics, 04.09.2021 03:40
Konu
Chemistry, 04.09.2021 03:40
Konu
History, 04.09.2021 03:40
Konu
English, 04.09.2021 03:40