Ask a New Question

How many moles of platinum

When 5.49 g of platinum reacts with an excess of fluorine, 7.65 g of platinum(_) fluoride forms.a. What is the mass of fluorine
1. 2 answers
2. asked by Lauren
3. 2,180 views
This is how platinum appears in the periodic table.A purple box has P t at the center and 78 above. Below it says platinum and
1. 1 answer
2. 15 views
While researching a topic, a student has taken the following notes:Platinum is a rare and expensive metal. It is used as a
1. 1 answer
2. 46 views
How many moles of platinum would be in 10.0 g of this metal?
1. 2 answers
2. asked by Lauren
3. 562 views
how many moles of platinum are equivalent to 1.20 x 10^24
1. 2 answers
2. asked by hokoslavia
3. 2,072 views
Please help with 5 questions:1) what metals are the alternatives to platinum? 2) what are the advantages/disadvantages of these
1. 1 answer
2. asked by LISA AND MICHELLE IN LA
3. 687 views
One gram of platinum has 3.09 × 1021 atoms, and each platinum atom has 78 electrons.How many electrons are contained in 4.00 g
1. 1 answer
2. asked by Rachel
3. 722 views
Pure platinum is too soft to be used in jewelry because it scratches easily. To increase the hardness so that it can be used in
1. 4 answers
2. asked by Pauline
3. 4,270 views
Initially, there are 33 moles of A and 0 moles of B. How many moles of A and B will be present after the system reaches
1. 4 answers
2. asked by Adam
3. 743 views
The element platinum has ccp packing with a face-centered cubic unit cell. The density of platinum is 21.5 g/cm3. Calculate the
1. 1 answer
2. asked by tweety
3. 824 views