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Agraduated cylinder weighs 100.0 g. If you add 20.0 g of water and 10 pennies, the mass is now 149.5 g. What is the average mass of the added pennies?
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Agraduated cylinder weighs 100.0 g. If you add 20.0 g of water and 10 pennies, the mass is now 149.5 g. What is

the average mass of the added pennies?

User Leighanne
by
4.8k points

1 Answer

3 votes

Answer:

Step-by-step explanation:

the mass of water + mass of cylinder + mass of pennies= 149.5 g

20 + 100+10 X = 149.5

10 X = The mass of the pennies = 29.5 g

mass of one penny = 29.5 / 10

= 2.95 g

User Mightyteja
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5.2k points
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