Expert in study
alarm
Ask
Math
Ostapchuk Ostapchuk Dec 9, 2020

Chalk contains 3% of carbon, 10% of calcium and 12%of oxygen. Find the amount in grams of each of these substances in 500g of chalk?Please friends fast ​

answers: 1
Register to add an answer
The time for answering the question is over
Answer:

From the question,

The amount of chalk =1 kg=1000 g

We have,

Amount of carbon in it =3% of 1000 g

=(3/100)×1000

=(3×10)

=30 g

Amount of calcium in it =10% of 1000 g

=(10/100)×1000

=(10×10)

=100 g

Amount of oxygen in it =12% of 1000 g

=(12/100)×(1000)

=(12×10)

=120 g

359
BenoitRay BenoitRay
Dec 9, 2020
For answers need to register.
Contacts
mail@expertinstudy.com
Feedback
Expert in study
About us
For new users
For new experts
Terms and Conditions