m8s9tp6qrm m8s9tp6qrm

02-10-2021
Chemistry

contestada

7.
Nickel makes up 25% of the total mass of a fifty pence coin. A fifty pence coin has a
mass of 8.0g
Calculate how many moles of nickel atoms are in a fifty pence con.
Answer:

Respuesta :

meadowsbianca19 meadowsbianca19

02-10-2021

Answer:

2 / 58.69 = 0.034mol of Nickel.

Explanation:

Hope this helps

Answer Link

Otras preguntas

An excess of NiCO3, 12 g, was added to 40cm cube of sulpheric acid, 2.0 mol/dm cube. The unreacted nickel carbonate was filtered out and the filtrate evaporated

A compound in a copper ore has the following percentage composition by mass: 55.6% copper, 16.4% iron, 28.0% sulfur.Calculate the emp

What force prevents a machine’s actual mechanical advantage from reaching its ideal mechanical advantage? A work B friction C gravity D heat

Where is the circumcenter of any given triangle?

Write the number 2.4 in the form a divided by b, using integers, to show that it is a rational number.

I want to know the answer of all of them

Which one is it A. B. C. or D.

Define the role of competition commission

Find the value of x. A: 14.8 B: 8.7 C: 10.0 D: 17.1

Let theta be an angle in quadrant IV such that sin theta= -5/13 Find the exact values of sec theta and tan theta