Ответ:
дано
m1(ppa HCL) = 100 g
w1(HCL) = 30%
m2(ppa HCL) = 150 g
W2(HCL) = 15%
-------------------------
W3(HCL)-?
m1(HCL) = 100 * 30% / 100% = 30 g
m2(HCL) = 150 * 15% / 100% = 22.5 g
m общ (ppa HCL) = 100 + 150 = 250 g
m общ (HCL) = 30 + 22.5 = 52.5 g
W3(HCL) = 52.5 / 250 * 100% = 21%
ответ 21%
Объяснение:
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Answers & Comments
Ответ:
дано
m1(ppa HCL) = 100 g
w1(HCL) = 30%
m2(ppa HCL) = 150 g
W2(HCL) = 15%
-------------------------
W3(HCL)-?
m1(HCL) = 100 * 30% / 100% = 30 g
m2(HCL) = 150 * 15% / 100% = 22.5 g
m общ (ppa HCL) = 100 + 150 = 250 g
m общ (HCL) = 30 + 22.5 = 52.5 g
W3(HCL) = 52.5 / 250 * 100% = 21%
ответ 21%
Объяснение: