What is the dimensions of the largest square tile which will cover a room of 12cm and 16cm
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Answer:144 cm2 tile
Step-by-step explanation:Dimension:(12x12)cm..
It cannot exceed its heigh becoz it dont have space.
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Answer:
How many platinum atoms in a gram?
Well, you need to know the atomic weight of Platinum (Pt) and the number of atoms per mole. The answer to the former is 195.084 g/mole and the latter is 6.023 * 10^23 atoms/mole. Then, multiply everything as shown below:
Number of atoms = (1 g) * (1/195.084 g/mole) * 6.023 * 10^23 atoms/mole
Number of atoms = 3.087 * 10^21 atoms
Note, I’ve included units on everything and you can see that they all cancel except for atoms. Dragging the units along can be a pain but it is a great way to check that they way the numbers are being combined is correct.
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