0.000125
Explanation:
if you remember King Henry Died Drinking Chocolate Milk= K H D & D C M
find what your converting to and move the decimal that many times in that direction.
Answer:
We need 19.3 mL of HCl
Explanation:
Step 1: Data given
Molarity HCl = 5.00 M
Mass Zn = 3.15 grams
Step 2: The balanced equation
Zn (s) + 2HCl (aq) ⟶ ZnCl2 (aq) + H2 (g)
Step 3: Calculate moles Zn
Moles Zn = mass Zn / molar mass Zn
Moles Zn = 3.15 grams / 65.38 g/mol
Moles Zn = 0.0482 moles
Step 4: Calculate moles HCl needed
For 2 moles HCl we need 1 mol Zn to produce 1 mol ZnCl2 and 1 mol H2
For 0.0482 moles Zn we need 2*0.0482 = 0.0964 moles HCl needed
Step 5: Calculate volume needed
Molarity = moles / volumes
Volumes = moles / molarity
Volume HCl needed = 0.0964 moles HCl /5.00 M
Volume HCl needed = 0.01928 L = 19.3 mL
We need 19.3 mL of HCl
That substance mixes with another substance to create a new substance or a chemical mixes with a different chemical = a new chemical
Ex: h+o2 = h2o
Hey I guess this could be PCl5 but not too sure. PCl5 <span>Phosphorus pentachloride. Hope this helps:). But it's hard to see which atoms are Cl and which are P.</span>
Answer :
(a) The name of is, potassium dichromate.
(b) The name of is, lithium oxalate.
(c) The name of is, copper nitrate.
Explanation:
Ionic compound : It is a type of compound that is made up of the ions of the two different elements in which one element is a metal and another element is a non-metal.
(a)
The given compound is an ionic compound. It is made up of two different ions which are potassium ion and dichromate ion .
So, the name of is, potassium dichromate.
(b)
The given compound is an ionic compound. It is made up of two different ions which are lithium ion and oxalate ion .
So, the name of is, lithium oxalate.
(c)
The given compound is an ionic compound. It is made up of two different ions which are copper ion and nitrate ion .
So, the name of is, copper nitrate.