2 years ago

QUESTION 20

Chemistry

1 answer:

Tanya [424]2 years ago

5 0

Answer:

Explanation:

Let the protein contained in pizza be m gram .

calories contained by 17 g of fat = 17 x 9 kcals = 153 kcals .

calories contained by 25 g of carbohydrate = 25 x 4 kcals = 100 kcals .

calories contained by m g of protein = m x 4 kcals = 4 m kcals .

Total calories of slice of pizza = 153 + 100 + 4m kcals

= 253 + 4m kcals

Given ,

253 + 4m = 750

4m = 497

m = 124.25 g .

120 g ( rounded to two significant figures )

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