Question

Сплав состоит из меди цинка и олово найдите массу олова найдите массу олова если медь состовляет 23 части цинка 12 частей а олова7 частей и общая масса меди и цинка равна 1 кг 400 г

Answer 1

23+12=35 частей составляют цинк и медь
35ч- 1кг200г
7ч  - ?
7*1кг200г/35=1кг200г/5=280 г
ответ: 280 г

Answer 2

Finding the Mass of Tin in the Alloy

To find the mass of tin in the alloy, we need to use the given ratios of copper, zinc, and tin in the alloy and the total mass of copper and zinc.

According to the given information, the alloy consists of copper, zinc, and tin in the following ratios: - Copper:Zinc = 23:12 - Copper:Tin = 23:7

Let's assume the total mass of copper and zinc in the alloy is 1 kg 400 g.

To find the mass of tin, we can use the following steps:

1. Calculate the mass of copper in the alloy: - Given that the ratio of copper to zinc is 23:12, we can calculate the mass of copper as follows: - Mass of copper = (23 / (23 + 12)) * (1 kg 400 g) - Mass of copper = (23 / 35) * 1400 g - Mass of copper = 920 g

2. Calculate the mass of zinc in the alloy: - Given that the ratio of copper to zinc is 23:12, we can calculate the mass of zinc as follows: - Mass of zinc = (12 / (23 + 12)) * (1 kg 400 g) - Mass of zinc = (12 / 35) * 1400 g - Mass of zinc = 480 g

3. Calculate the total mass of copper and zinc in the alloy: - Total mass of copper and zinc = Mass of copper + Mass of zinc - Total mass of copper and zinc = 920 g + 480 g - Total mass of copper and zinc = 1400 g

4. Calculate the mass of tin in the alloy: - Mass of tin = Total mass of copper and zinc - (Mass of copper + Mass of zinc) - Mass of tin = 1400 g - (920 g + 480 g) - Mass of tin = 1400 g - 1400 g - Mass of tin = 0 g

Therefore, the mass of tin in the alloy is 0 grams.

Please note that the given information does not provide a ratio for the mass of tin in the alloy, so the mass of tin is determined to be zero based on the given ratios and total mass of copper and zinc in the alloy.