Heterogeneous materials are always mixtures. Are homogeneous materials always pure substances? Explain.
A homogeneous material is not always a pure substance. For example, a solution is a homogeneous mixture, but it is not a pure substance. Salty water is homogeneous, but it is not a pure substance. There are two ingredients: salt, and water.
What is the volume of solution (in mL) produced when 91.80g of Mg(OH)2 are usedto produce a 0.7M solution? Record your answer to 1 decimal places.
Answer: The volume of solution is 2248 ml
Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.
n = moles of solute
= volume of solution in ml
moles of =
Now put all the given values in the formula of molality, we get
Therefore, the volume of solution is 2248 ml
A straight line on a graph means there is a ______ relationship between the dependent variable and the independent variable.
its a linear relationship
proportional linear relationship
When an amoeba engulfs a particle of food a blank is formed
food vacuole is your answer
A student is asked to draw an atom of sulfur on a board. the pictures below represents what the student drew. what is wrong with this sulfur atom plzzzz help i need to finish up
Ur momma eheheheheheh
Isotopes called what are used to diagnose disease and to study environmental conditions
A radioactive tracer, I believe. Someone check that lol.